1 00:00:00,000 --> 00:00:02,200 All right, strap in everyone because today we're going 2 00:00:02,200 --> 00:00:04,660 way beyond the usual suspects of our solar system 3 00:00:04,660 --> 00:00:07,800 like Jupiter, Saturn, Mars, and go into the ice giants, 4 00:00:07,800 --> 00:00:09,200 so Uranus and Neptune. 5 00:00:09,200 --> 00:00:11,920 And these planets, they're always shown as these calm, 6 00:00:11,920 --> 00:00:15,440 icy blue balls, but honestly, they hide secrets 7 00:00:15,440 --> 00:00:19,080 way more dramatic than any sci-fi film I've seen. 8 00:00:19,080 --> 00:00:22,280 Think supersonic winds and a planet literally 9 00:00:22,280 --> 00:00:23,440 just chilling on its side. 10 00:00:23,440 --> 00:00:26,080 Oh, and moons that seem like they were plucked 11 00:00:26,080 --> 00:00:27,560 from a totally different part of space, 12 00:00:27,560 --> 00:00:28,800 ready to have your minds blown. 13 00:00:28,800 --> 00:00:30,760 Absolutely, there's just so much to discover 14 00:00:30,760 --> 00:00:32,160 about these icy enigmas. 15 00:00:32,160 --> 00:00:35,460 Welcome to Cosmos and a Pod, Space and Astronomy series. 16 00:00:35,460 --> 00:00:37,400 Okay, so let's start with something basic. 17 00:00:37,400 --> 00:00:40,200 What exactly makes a planet an ice giant? 18 00:00:40,200 --> 00:00:43,020 Is it like just a giant snowball hanging out in space? 19 00:00:43,020 --> 00:00:44,600 That's a really great question. 20 00:00:44,600 --> 00:00:46,680 And honestly, it's more complicated 21 00:00:46,680 --> 00:00:48,780 than just like frozen water. 22 00:00:48,780 --> 00:00:51,940 So unlike gas giants, you know, like Jupiter and Saturn, 23 00:00:51,940 --> 00:00:53,960 which are mostly hydrogen and helium, 24 00:00:53,960 --> 00:00:56,520 Uranus and Neptune are packed with heavier elements, 25 00:00:56,520 --> 00:00:58,920 stuff like water, ammonia and methane. 26 00:00:58,920 --> 00:01:01,480 But here's the thing, because of the insane pressure 27 00:01:01,480 --> 00:01:04,280 inside these planets, these elements aren't exactly 28 00:01:04,280 --> 00:01:06,280 just like ice skating around, they're actually 29 00:01:06,280 --> 00:01:09,680 in this super dense, almost slushy state, 30 00:01:09,680 --> 00:01:12,480 which makes these planets denser than those gas giants 31 00:01:12,480 --> 00:01:13,440 I were talking about. 32 00:01:13,440 --> 00:01:16,560 Okay, so dense slush, not a snowball. 33 00:01:16,560 --> 00:01:17,400 Got it. 34 00:01:17,400 --> 00:01:20,480 But that still doesn't explain why Uranus is, you know, 35 00:01:20,480 --> 00:01:22,600 famously tilted on its side, 36 00:01:22,600 --> 00:01:24,720 practically doing a barrel roll around the sun. 37 00:01:24,720 --> 00:01:25,560 So how did that happen? 38 00:01:25,560 --> 00:01:27,400 Well, just imagine the early solar system 39 00:01:27,400 --> 00:01:29,440 like a giant cosmic billiards table, 40 00:01:29,440 --> 00:01:31,040 planets are forming, things are colliding, 41 00:01:31,040 --> 00:01:32,240 it was pure chaos. 42 00:01:32,240 --> 00:01:34,760 And scientists believe that this massive object, 43 00:01:34,760 --> 00:01:36,680 maybe even another planet size body, 44 00:01:36,680 --> 00:01:38,760 slammed into Uranus early on, 45 00:01:38,760 --> 00:01:40,600 knocking it completely off kilter. 46 00:01:40,600 --> 00:01:42,960 Wow, that must have been some collision. 47 00:01:42,960 --> 00:01:45,000 And that impact billions of years ago 48 00:01:45,000 --> 00:01:46,440 still affects Uranus today. 49 00:01:46,440 --> 00:01:49,680 Exactly, that single event is likely the reason 50 00:01:49,680 --> 00:01:52,040 Uranus is tilted 98 degrees. 51 00:01:52,040 --> 00:01:55,160 So it's spinning almost perpendicular to its orbit. 52 00:01:55,160 --> 00:01:57,080 Talk about a long lasting impact. 53 00:01:57,080 --> 00:01:59,400 Okay, so we got Uranus, the rebellious one, 54 00:01:59,400 --> 00:02:01,640 tilted and spinning to its own beat. 55 00:02:01,640 --> 00:02:02,920 What about Neptune? 56 00:02:02,920 --> 00:02:05,160 What makes this blue giant so special? 57 00:02:05,160 --> 00:02:07,640 So Neptune might not be sideways, 58 00:02:07,640 --> 00:02:10,160 but it definitely has its own drama going on. 59 00:02:10,160 --> 00:02:12,600 This planet has the most ferocious winds 60 00:02:12,600 --> 00:02:14,120 in the entire solar system. 61 00:02:14,120 --> 00:02:17,320 We're talking speeds over 2,100 kilometers per hour, 62 00:02:17,320 --> 00:02:19,000 which is faster than the speed of sound. 63 00:02:19,000 --> 00:02:21,560 Hold on, wait, how can wind even get that fast? 64 00:02:21,560 --> 00:02:22,800 It's hard to even imagine. 65 00:02:22,800 --> 00:02:24,520 It's mind boggling, right? 66 00:02:24,520 --> 00:02:25,640 And that's not all. 67 00:02:25,640 --> 00:02:28,200 Neptune also has a super dynamic atmosphere 68 00:02:28,200 --> 00:02:30,240 with storms that rage for centuries, 69 00:02:30,240 --> 00:02:31,800 kind of like Jupiter's great red spot, 70 00:02:31,800 --> 00:02:33,040 but even more intense. 71 00:02:33,040 --> 00:02:34,800 So Uranus is chilling on its side 72 00:02:34,800 --> 00:02:37,120 and Neptune's out there throwing cosmic tantrums. 73 00:02:37,120 --> 00:02:39,280 Well, tantrums might be simplifying it a bit, 74 00:02:39,280 --> 00:02:42,120 but the point is Neptune's atmosphere 75 00:02:42,120 --> 00:02:45,160 is incredibly active and turbulent 76 00:02:45,160 --> 00:02:48,280 with forces that we're just starting to understand. 77 00:02:48,280 --> 00:02:50,200 And just like its tilted sibling, 78 00:02:50,200 --> 00:02:52,800 Neptune also has this magnetic field 79 00:02:52,800 --> 00:02:54,760 that's tilted and off center, 80 00:02:54,760 --> 00:02:57,680 which suggests some pretty complex stuff happening inside. 81 00:02:57,680 --> 00:03:01,640 Okay, so both ice giants, both with wonky magnetic fields. 82 00:03:01,640 --> 00:03:02,640 Is there a connection there? 83 00:03:02,640 --> 00:03:04,200 Can scientists explain that? 84 00:03:04,200 --> 00:03:06,240 That's the million dollar question. 85 00:03:06,240 --> 00:03:09,120 One theory is that the unique slushy makeup 86 00:03:09,120 --> 00:03:11,080 of these planets, those heavier elements 87 00:03:11,080 --> 00:03:12,400 in their dense state is affecting 88 00:03:12,400 --> 00:03:14,480 how their magnetic fields are generated. 89 00:03:14,480 --> 00:03:17,120 But to really know for sure, we need more data, 90 00:03:17,120 --> 00:03:20,160 more observations, ideally a dedicated mission 91 00:03:20,160 --> 00:03:21,160 to these planets. 92 00:03:21,160 --> 00:03:22,520 Speaking of interesting features, 93 00:03:22,520 --> 00:03:24,120 didn't you mention something about Neptune 94 00:03:24,120 --> 00:03:26,520 having a moon that orbits in the wrong direction? 95 00:03:26,520 --> 00:03:28,680 That sounds like something out of a space opera. 96 00:03:28,680 --> 00:03:29,520 It's true. 97 00:03:29,520 --> 00:03:31,240 Triton, which is Neptune's largest moon, 98 00:03:31,240 --> 00:03:32,280 is really something else. 99 00:03:32,280 --> 00:03:34,080 Most moons orbit in the same direction 100 00:03:34,080 --> 00:03:35,440 as their planet's rotation, 101 00:03:35,440 --> 00:03:37,320 but Triton orbits Neptune backwards. 102 00:03:37,320 --> 00:03:39,080 It's called a retrograde orbit. 103 00:03:39,080 --> 00:03:41,640 So it's like swimming against the current. 104 00:03:41,640 --> 00:03:43,000 How is that even possible? 105 00:03:43,000 --> 00:03:44,640 It's a strong sign that Triton 106 00:03:44,640 --> 00:03:47,200 wasn't actually formed around Neptune. 107 00:03:47,200 --> 00:03:49,280 The leading theory is that it was captured 108 00:03:49,280 --> 00:03:50,520 from the Kuiper Belt, 109 00:03:50,520 --> 00:03:53,920 which is a region of icy bodies beyond Neptune 110 00:03:53,920 --> 00:03:55,080 billions of years ago. 111 00:03:55,080 --> 00:03:57,560 So Neptune went and snagged a moon 112 00:03:57,560 --> 00:03:58,960 from another part of the solar system. 113 00:03:58,960 --> 00:04:00,080 That's pretty impressive. 114 00:04:00,080 --> 00:04:01,000 It is. 115 00:04:01,000 --> 00:04:02,520 And here's the thing about Triton. 116 00:04:02,520 --> 00:04:04,600 It's not just some passive captive. 117 00:04:04,600 --> 00:04:07,440 It actually shows signs of geological activity, 118 00:04:07,440 --> 00:04:09,200 including ice volcanoes, 119 00:04:09,200 --> 00:04:11,360 and it even has a very thin atmosphere. 120 00:04:11,360 --> 00:04:12,200 Wait, hold on. 121 00:04:12,200 --> 00:04:13,120 Ice volcanoes. 122 00:04:13,120 --> 00:04:14,600 Now that's something I gotta hear more about. 123 00:04:14,600 --> 00:04:16,440 Well, get ready, because this is where things 124 00:04:16,440 --> 00:04:18,040 get even more interesting. 125 00:04:18,040 --> 00:04:20,040 Remember how we said that ice giants 126 00:04:20,040 --> 00:04:22,840 are more common than we thought in other star systems? 127 00:04:22,840 --> 00:04:24,840 Yeah, you said studying Uranus and Neptune 128 00:04:24,840 --> 00:04:27,000 could give us clues about other planetary systems. 129 00:04:27,000 --> 00:04:28,000 Exactly. 130 00:04:28,000 --> 00:04:30,880 And Triton, because it was captured from the Kuiper Belt, 131 00:04:30,880 --> 00:04:33,000 which is packed with icy bodies, 132 00:04:33,000 --> 00:04:36,240 could give us a glimpse into the types of icy worlds 133 00:04:36,240 --> 00:04:38,920 that might be out there orbiting other stars. 134 00:04:38,920 --> 00:04:42,440 So by studying this one weird moon in our own solar system, 135 00:04:42,440 --> 00:04:44,240 we're potentially getting a preview 136 00:04:44,240 --> 00:04:45,960 of what could be light years away. 137 00:04:45,960 --> 00:04:47,000 Precisely. 138 00:04:47,000 --> 00:04:49,480 And that's why understanding Uranus, Neptune, 139 00:04:49,480 --> 00:04:52,200 and their unique moons is so important 140 00:04:52,200 --> 00:04:55,000 for expanding our knowledge of what planets can be, 141 00:04:55,000 --> 00:04:56,760 both in our solar system and beyond. 142 00:04:56,760 --> 00:04:58,640 This is all so fascinating. 143 00:04:58,640 --> 00:04:59,920 I feel like we're just getting started 144 00:04:59,920 --> 00:05:01,120 with these ice giants. 145 00:05:01,120 --> 00:05:03,600 Oh, we've barely scratched the surface. 146 00:05:03,600 --> 00:05:05,680 There are so many more mysteries to uncover. 147 00:05:05,680 --> 00:05:06,640 I can't wait to dive in. 148 00:05:06,640 --> 00:05:08,880 You know, it really is amazing to think 149 00:05:08,880 --> 00:05:13,120 that these distant worlds, billions of kilometers away, 150 00:05:13,120 --> 00:05:15,560 they hold clues to how our solar system formed, 151 00:05:15,560 --> 00:05:17,840 and maybe even secrets to life beyond Earth. 152 00:05:17,840 --> 00:05:19,680 Yeah, it's like they're time capsules from the early 153 00:05:19,680 --> 00:05:21,760 solar system, you know, just frozen in time, 154 00:05:21,760 --> 00:05:23,480 waiting for us to decode them. 155 00:05:23,480 --> 00:05:25,120 Speaking of secrets, I know we talked about some 156 00:05:25,120 --> 00:05:27,720 of the mysteries of these ice giants, 157 00:05:27,720 --> 00:05:30,480 but are there any big unanswered questions 158 00:05:30,480 --> 00:05:33,600 that like really keep scientists up at night? 159 00:05:33,600 --> 00:05:34,560 Oh, absolutely. 160 00:05:34,560 --> 00:05:36,920 Uranus and Neptune are full of enigmas. 161 00:05:36,920 --> 00:05:39,600 Like for example, one of the biggest puzzles about Uranus 162 00:05:39,600 --> 00:05:41,720 is it's incredibly low internal heat. 163 00:05:41,720 --> 00:05:43,400 Low internal heat. 164 00:05:43,400 --> 00:05:45,080 But isn't it already freezing out there? 165 00:05:45,080 --> 00:05:46,680 Yeah, but even compared to Neptune, 166 00:05:46,680 --> 00:05:50,240 which is farther from the sun, Uranus is remarkably cold. 167 00:05:50,240 --> 00:05:52,680 It radiates very little heat into space, 168 00:05:52,680 --> 00:05:55,320 far less than you'd expect for a planet its size. 169 00:05:55,320 --> 00:05:56,160 So what's the deal? 170 00:05:56,160 --> 00:05:58,120 Is Uranus just naturally more laid back 171 00:05:58,120 --> 00:06:01,040 than its stormy sibling? 172 00:06:01,040 --> 00:06:03,600 Well, we don't really have a definitive answer yet. 173 00:06:03,600 --> 00:06:05,920 Some scientists think that the massive impact 174 00:06:05,920 --> 00:06:08,960 that tilted Uranus on its side might have also messed up 175 00:06:08,960 --> 00:06:10,200 its internal heat flow. 176 00:06:10,200 --> 00:06:13,440 So one single catastrophic event could have had, 177 00:06:13,440 --> 00:06:16,480 like, a lasting impact on the planet's internal dynamics 178 00:06:16,480 --> 00:06:17,640 billions of years later. 179 00:06:17,640 --> 00:06:18,360 Exactly. 180 00:06:18,360 --> 00:06:20,520 It really shows you that the solar system is dynamic 181 00:06:20,520 --> 00:06:22,440 and constantly evolving. 182 00:06:22,440 --> 00:06:25,840 And speaking of dynamic, let's move on to another big mystery. 183 00:06:25,840 --> 00:06:28,760 What's fueling Neptune's crazy wind speeds? 184 00:06:28,760 --> 00:06:30,960 Right, those supersonic winds we talked about earlier. 185 00:06:30,960 --> 00:06:32,640 But how can winds get that fast? 186 00:06:32,640 --> 00:06:36,880 What's the engine driving this cosmic hurricane? 187 00:06:36,880 --> 00:06:39,280 It's a question that's puzzled planetary scientists 188 00:06:39,280 --> 00:06:40,720 for decades. 189 00:06:40,720 --> 00:06:43,640 Neptune gets way less solar energy than the inner planets, 190 00:06:43,640 --> 00:06:46,720 but its winds are far stronger than anything we see on Earth 191 00:06:46,720 --> 00:06:47,960 or even Jupiter. 192 00:06:47,960 --> 00:06:49,640 So what are the leading theories? 193 00:06:49,640 --> 00:06:53,000 What could possibly drive winds that powerful? 194 00:06:53,000 --> 00:06:55,040 Well, there are a few ideas out there. 195 00:06:55,040 --> 00:06:57,640 Some scientists believe that the answer lies deep 196 00:06:57,640 --> 00:06:59,840 within Neptune's atmosphere, where 197 00:06:59,840 --> 00:07:02,320 the intense pressure and unique composition might 198 00:07:02,320 --> 00:07:04,800 create conditions that, like, supercharge 199 00:07:04,800 --> 00:07:06,320 these powerful winds. 200 00:07:06,320 --> 00:07:08,720 Others think that the planet's internal heat, 201 00:07:08,720 --> 00:07:12,120 which is higher than Uranus's, might be playing a role. 202 00:07:12,120 --> 00:07:14,400 So maybe it's a combination of internal and atmospheric 203 00:07:14,400 --> 00:07:14,920 factors. 204 00:07:14,920 --> 00:07:16,840 It's like a giant planetary weather puzzle. 205 00:07:16,840 --> 00:07:17,680 Exactly. 206 00:07:17,680 --> 00:07:21,040 And to solve it, we need more data, more observations, 207 00:07:21,040 --> 00:07:24,280 and ideally, dedicated missions to these ice giants. 208 00:07:24,280 --> 00:07:25,960 OK, we can't talk about ice giants 209 00:07:25,960 --> 00:07:27,840 without mentioning their cores, right? 210 00:07:27,840 --> 00:07:30,000 What do scientists think is lurking deep down 211 00:07:30,000 --> 00:07:31,200 at the heart of these planets? 212 00:07:31,200 --> 00:07:32,320 Ah, the core. 213 00:07:32,320 --> 00:07:34,520 It's another area with lots of speculation 214 00:07:34,520 --> 00:07:36,080 and not much hard evidence. 215 00:07:36,080 --> 00:07:38,120 The main theory is that both Uranus and Neptune 216 00:07:38,120 --> 00:07:41,080 have relatively small, rocky cores surrounded 217 00:07:41,080 --> 00:07:45,160 by that dense, slushy mixture of water, ammonia, and methane 218 00:07:45,160 --> 00:07:46,560 ice, as we talked about earlier. 219 00:07:46,560 --> 00:07:49,480 So a rocky core, then a slushy layer, 220 00:07:49,480 --> 00:07:51,560 and then the vast gaseous atmosphere. 221 00:07:51,560 --> 00:07:53,600 It's like a layered cosmic cocktail. 222 00:07:53,600 --> 00:07:55,080 That's an interesting analogy. 223 00:07:55,080 --> 00:07:57,440 But what's really fascinating is that the cores 224 00:07:57,440 --> 00:08:00,280 of these planets probably play a key role 225 00:08:00,280 --> 00:08:02,840 in creating those unusual magnetic fields. 226 00:08:02,840 --> 00:08:04,280 OK, remind me again. 227 00:08:04,280 --> 00:08:06,320 What's so strange about their magnetic fields? 228 00:08:06,320 --> 00:08:08,440 Well, remember we talked about their magnetic fields 229 00:08:08,440 --> 00:08:10,360 being tilted and offset from the planet's 230 00:08:10,360 --> 00:08:11,760 axis of rotation? 231 00:08:11,760 --> 00:08:13,680 Yeah, like their magnetic north poles 232 00:08:13,680 --> 00:08:15,760 decided to take a vacation near the equator. 233 00:08:15,760 --> 00:08:16,920 Exactly. 234 00:08:16,920 --> 00:08:20,160 This weird placement suggests that the magnetic fields aren't 235 00:08:20,160 --> 00:08:24,000 created in a simple symmetrical way, like we see on Earth. 236 00:08:24,000 --> 00:08:26,500 The complex dynamics within those slushy layers 237 00:08:26,500 --> 00:08:28,720 and the interaction with the rocky core 238 00:08:28,720 --> 00:08:31,440 could be creating these unusual magnetic fields. 239 00:08:31,440 --> 00:08:33,200 Seems like every time we learn something 240 00:08:33,200 --> 00:08:37,120 new about these ice giants, it just raises more questions. 241 00:08:37,120 --> 00:08:38,760 Again, never-ending cosmic mystery. 242 00:08:38,760 --> 00:08:41,040 And that's the beauty of scientific exploration, right? 243 00:08:41,040 --> 00:08:43,960 The more we learn, the more we realize how much more there 244 00:08:43,960 --> 00:08:45,080 is to discover. 245 00:08:45,080 --> 00:08:47,400 It's like peeling back the layers of a cosmic onion, 246 00:08:47,400 --> 00:08:49,440 only to find another onion underneath. 247 00:08:49,440 --> 00:08:50,980 Hopefully without the tears. 248 00:08:50,980 --> 00:08:53,140 But you're right, there's so much more to explore. 249 00:08:53,140 --> 00:08:54,600 And these unanswered questions are 250 00:08:54,600 --> 00:08:57,480 why scientists are so eager to send new missions 251 00:08:57,480 --> 00:08:58,880 to these distant worlds. 252 00:08:58,880 --> 00:09:01,360 Speaking of missions, didn't we send a spacecraft 253 00:09:01,360 --> 00:09:04,240 to Uranus and Neptune back in the 80s? 254 00:09:04,240 --> 00:09:05,200 Voyager 2. 255 00:09:05,200 --> 00:09:06,080 That's right. 256 00:09:06,080 --> 00:09:08,560 Voyager 2 gave us our first up-close look 257 00:09:08,560 --> 00:09:11,600 at these planets, their rings, and their moons. 258 00:09:11,600 --> 00:09:13,240 It was a huge accomplishment. 259 00:09:13,240 --> 00:09:15,400 But that was over 30 years ago. 260 00:09:15,400 --> 00:09:17,880 Our technology's got to be good enough to get another closer 261 00:09:17,880 --> 00:09:18,680 look now, right? 262 00:09:18,680 --> 00:09:19,840 You're absolutely right. 263 00:09:19,840 --> 00:09:22,800 And the good news is that space agencies all over the world 264 00:09:22,800 --> 00:09:25,960 are developing proposals for new missions to the ice giants. 265 00:09:25,960 --> 00:09:27,400 Now that's exciting. 266 00:09:27,400 --> 00:09:29,200 Tell me more about these potential missions. 267 00:09:29,200 --> 00:09:31,360 What are scientists hoping to learn? 268 00:09:31,360 --> 00:09:33,100 Well, one of the most exciting prospects 269 00:09:33,100 --> 00:09:36,160 is a dedicated mission to Neptune's moon Triton. 270 00:09:36,160 --> 00:09:38,360 Remember how we talked about its backward orbit 271 00:09:38,360 --> 00:09:40,760 and how it's probably captured from the Kuiper belt? 272 00:09:40,760 --> 00:09:42,440 Yeah, it's like Neptune's adopted child 273 00:09:42,440 --> 00:09:44,200 with a really interesting past. 274 00:09:44,200 --> 00:09:45,480 A great way to put it. 275 00:09:45,480 --> 00:09:48,280 A mission to Triton could give us incredible insights 276 00:09:48,280 --> 00:09:51,360 into the icy worlds that are in the outer solar system 277 00:09:51,360 --> 00:09:52,120 and beyond. 278 00:09:52,120 --> 00:09:54,000 So we could learn about Triton's composition, 279 00:09:54,000 --> 00:09:56,880 its geological activity, and maybe even figure out 280 00:09:56,880 --> 00:09:58,440 how it was captured by Neptune. 281 00:09:58,440 --> 00:09:59,200 Exactly. 282 00:09:59,200 --> 00:10:02,760 It would be huge for our understanding of icy worlds. 283 00:10:02,760 --> 00:10:04,680 There are also proposals for orbiters 284 00:10:04,680 --> 00:10:07,600 that would study Uranus and Neptune in much more detail 285 00:10:07,600 --> 00:10:08,960 than Voyager 2 could. 286 00:10:08,960 --> 00:10:10,320 What kind of information could we 287 00:10:10,320 --> 00:10:11,960 get from an orbiter mission? 288 00:10:11,960 --> 00:10:14,040 What are scientists most excited about? 289 00:10:14,040 --> 00:10:16,000 Oh, the possibilities are endless. 290 00:10:16,000 --> 00:10:19,080 Imagine mapping the gravity fields of these planets, 291 00:10:19,080 --> 00:10:21,640 studying their atmospheric dynamics in detail, 292 00:10:21,640 --> 00:10:23,400 maybe even looking beneath the clouds 293 00:10:23,400 --> 00:10:26,040 to understand their internal structures better. 294 00:10:26,040 --> 00:10:28,840 It would be like having a permanent robotic scientist 295 00:10:28,840 --> 00:10:31,760 out there constantly sending back data 296 00:10:31,760 --> 00:10:34,040 and helping us solve those mysteries we talked about. 297 00:10:34,040 --> 00:10:36,920 It would completely change our understanding of ice giants. 298 00:10:36,920 --> 00:10:39,200 And remember, what we learn about these planets 299 00:10:39,200 --> 00:10:42,080 in our own solar system can help us understand 300 00:10:42,080 --> 00:10:45,480 all those exoplanets, planets orbiting other stars that 301 00:10:45,480 --> 00:10:47,000 have been discovered recently. 302 00:10:47,000 --> 00:10:48,920 Ice giants seem to be pretty common 303 00:10:48,920 --> 00:10:50,760 in other planetary systems. 304 00:10:50,760 --> 00:10:52,700 So by studying our own, we're basically 305 00:10:52,700 --> 00:10:55,280 getting a sneak peek into the diversity of planets 306 00:10:55,280 --> 00:10:56,800 across the whole galaxy. 307 00:10:56,800 --> 00:10:58,720 It's like having a cosmic laboratory 308 00:10:58,720 --> 00:11:00,600 right here in our backyard. 309 00:11:00,600 --> 00:11:03,520 Who knows what incredible discoveries are waiting for us 310 00:11:03,520 --> 00:11:06,440 as we continue to explore these fascinating worlds? 311 00:11:06,440 --> 00:11:10,240 You know, it's wild to think about how these planets that 312 00:11:10,240 --> 00:11:14,440 used to be just like fuzzy dots through telescopes 313 00:11:14,440 --> 00:11:18,320 are now helping us understand just how vast the universe is 314 00:11:18,320 --> 00:11:20,880 and all the different types of planets out there. 315 00:11:20,880 --> 00:11:22,160 Yeah, it's true. 316 00:11:22,160 --> 00:11:24,080 Uranus and Neptune really show us 317 00:11:24,080 --> 00:11:27,880 that our ideas of what a planet can be are way too limited. 318 00:11:27,880 --> 00:11:30,400 We often think of planets like Earth or Mars, 319 00:11:30,400 --> 00:11:33,600 but these ice giants show just how different planetary 320 00:11:33,600 --> 00:11:34,920 evolution can be. 321 00:11:34,920 --> 00:11:37,400 It's like nature saying, think you've seen it all, 322 00:11:37,400 --> 00:11:38,080 not even close. 323 00:11:38,080 --> 00:11:39,200 Exactly. 324 00:11:39,200 --> 00:11:42,040 Those crazy environments, their unique compositions, 325 00:11:42,040 --> 00:11:44,640 those wonky magnetic fields, it all 326 00:11:44,640 --> 00:11:48,240 forces us to rethink how planets form and change over time. 327 00:11:48,240 --> 00:11:50,280 And it's not just about the planets themselves, right? 328 00:11:50,280 --> 00:11:52,760 These ice giants also tell us about how our whole solar 329 00:11:52,760 --> 00:11:53,880 system came to be. 330 00:11:53,880 --> 00:11:54,480 Definitely. 331 00:11:54,480 --> 00:11:55,640 Remember we were talking about how 332 00:11:55,640 --> 00:11:58,000 Triton might have been captured from the Kuiper Belt? 333 00:11:58,000 --> 00:11:59,920 If that happened, it would really shaken things up 334 00:11:59,920 --> 00:12:01,520 in the outer solar system, like changing 335 00:12:01,520 --> 00:12:03,160 the gravitational dance of everything. 336 00:12:03,160 --> 00:12:03,660 Yeah. 337 00:12:03,660 --> 00:12:05,840 So it's like a game of cosmic billiards, 338 00:12:05,840 --> 00:12:08,800 with planets and moons bumming around for billions of years 339 00:12:08,800 --> 00:12:10,680 and finally settling where they are now. 340 00:12:10,680 --> 00:12:11,720 Exactly. 341 00:12:11,720 --> 00:12:14,200 By studying their orbits, their compositions, 342 00:12:14,200 --> 00:12:16,680 and how they interact, we can start to understand 343 00:12:16,680 --> 00:12:18,600 how our solar system evolved. 344 00:12:18,600 --> 00:12:21,320 It's like a giant cosmic detective story. 345 00:12:21,320 --> 00:12:24,200 And these ice giants have some of the biggest clues. 346 00:12:24,200 --> 00:12:25,680 And you know, as we keep exploring, 347 00:12:25,680 --> 00:12:28,600 I'm sure we'll find even more surprising connections 348 00:12:28,600 --> 00:12:29,600 and insights. 349 00:12:29,600 --> 00:12:32,760 Makes you wonder, what else is hidden out there 350 00:12:32,760 --> 00:12:35,360 in those icy depths of the outer solar system? 351 00:12:35,360 --> 00:12:37,160 I'm sure there are tons of wonders just 352 00:12:37,160 --> 00:12:38,240 waiting to be discovered. 353 00:12:38,240 --> 00:12:41,200 Like, imagine what might be under the frozen surfaces 354 00:12:41,200 --> 00:12:42,280 of some of those moons. 355 00:12:42,280 --> 00:12:45,080 Like giant hidden oceans of liquid water. 356 00:12:45,080 --> 00:12:47,440 Is that even possible that far from the sun? 357 00:12:47,440 --> 00:12:48,520 It's not just possible. 358 00:12:48,520 --> 00:12:49,480 It's very likely. 359 00:12:49,480 --> 00:12:51,360 And those oceans, you know, if they're there, 360 00:12:51,360 --> 00:12:52,840 could have life. 361 00:12:52,840 --> 00:12:55,440 Life that evolved in total darkness, powered 362 00:12:55,440 --> 00:12:57,720 by the moon's internal heat instead of sunlight. 363 00:12:57,720 --> 00:12:59,360 Whoa, that's mind blowing. 364 00:12:59,360 --> 00:13:01,680 Life evolving in a completely different way 365 00:13:01,680 --> 00:13:03,040 than we know here on Earth. 366 00:13:03,040 --> 00:13:05,760 It just shows you that the universe is full of surprises. 367 00:13:05,760 --> 00:13:08,520 Life might exist in places we can't even imagine. 368 00:13:08,520 --> 00:13:10,600 OK, so what's next? 369 00:13:10,600 --> 00:13:12,760 How do we actually unlock those secrets 370 00:13:12,760 --> 00:13:16,080 and search for life in these extreme environments? 371 00:13:16,080 --> 00:13:19,500 Well, sending dedicated missions to Uranus and Neptune 372 00:13:19,500 --> 00:13:22,280 are at the top of the list for a lot of planetary scientists. 373 00:13:22,280 --> 00:13:23,320 Think about it. 374 00:13:23,320 --> 00:13:26,520 Mapping their gravity, really studying their atmospheres, 375 00:13:26,520 --> 00:13:28,920 even sending probes below the clouds 376 00:13:28,920 --> 00:13:30,860 to analyze those icy layers. 377 00:13:30,860 --> 00:13:32,480 It's like we're about to set sail 378 00:13:32,480 --> 00:13:36,440 on this huge voyage of discovery into the unknown. 379 00:13:36,440 --> 00:13:38,480 And I'm absolutely certain that this journey 380 00:13:38,480 --> 00:13:40,080 is going to be packed with discoveries that 381 00:13:40,080 --> 00:13:42,400 will challenge our understanding of the universe. 382 00:13:42,400 --> 00:13:44,160 I can't wait to see what the future holds 383 00:13:44,160 --> 00:13:46,120 for ice giant exploration. 384 00:13:46,120 --> 00:13:48,500 Maybe one day we'll even be talking about sending humans 385 00:13:48,500 --> 00:13:49,880 to these faraway worlds. 386 00:13:49,880 --> 00:13:52,000 Now, that would be incredible. 387 00:13:52,000 --> 00:13:53,840 But even with robotic missions, we're 388 00:13:53,840 --> 00:13:56,160 about to enter a new era of discovery. 389 00:13:56,160 --> 00:13:59,120 And I truly believe that Uranus and Neptune will keep surprising 390 00:13:59,120 --> 00:14:00,560 us for years to come. 391 00:14:00,560 --> 00:14:02,160 Couldn't agree more. 392 00:14:02,160 --> 00:14:04,400 Well, I think it's time to wrap up our deep dive 393 00:14:04,400 --> 00:14:06,080 into these ice giants. 394 00:14:06,080 --> 00:14:08,960 It's been awesome exploring these amazing worlds with you. 395 00:14:08,960 --> 00:14:10,800 Thanks for sharing all your knowledge and insights 396 00:14:10,800 --> 00:14:11,840 with our listeners. 397 00:14:11,840 --> 00:14:14,960 For everyone who wants to learn even more about Uranus, Neptune, 398 00:14:14,960 --> 00:14:17,760 and the outer solar system, make sure you follow and subscribe 399 00:14:17,760 --> 00:14:18,960 to Cosmos in a Pod. 400 00:14:18,960 --> 00:14:21,480 And check out our YouTube channel for awesome visuals. 401 00:14:21,480 --> 00:14:31,160 Until next time, keep looking up.