Universe Today Podcast

In this week's questions show, I talk about why some missions go into orbit, and other missions make a direct landing on Mars. Is it a good idea for the SpaceX Falcon Heavy to launch components for the Lunar Gateway? And how can we know if the Universe is finite or infinite?

00:00 Start
00:30 Why go into orbit when NASA goes straight for landing?
04:19 What about SpaceX launching the Lunar Gateway?
08:45 Is the Universe finite or infinite?
11:52 Would a big black hole event horizon look flat?
12:38 If I had $50 billion to spend on space
16:14 Do I own any space stocks?
18:04 Will there be a time when we can't see other galaxies?
21:24 Is it easier or harder to fly to the Moon now?
25:09 When will the first steps be on Mars?
30:58 Would a Moon city protect humanity?
35:46 Could we crash Mars into Pluto?
36:54 Will travel to the Moon/Mars ever be cheap?
39:24 Should we be improving Earth or Mars?
41:06 Which book series do I recommend people read first?
42:13 Will Perseverance hear the helicopter?
44:07 What technologies will improve the Earth in the future?

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01:11 Is our Sun capable of releasing a super flare?
04:10 How much for a decent starting telescope?
05:20 Is terraforming Mars pointless?
07:08 Will alien life exist in the future?
09:03 Will Dobsonians work in a city?
09:45 What is the space race trying to achieve?
12:31 Can an artificial magnetic field stop space radiation?
14:04 Would I go to Mars?
14:38 Interferometer the size of Mars' orbit?
17:06 Why build bigger telescopes?
18:32 Why isn't everything expanding?
20:18 When is the next Decadal Survey?
21:35 Live telescopes?
21:57 Should we have an international space agency?
23:57 Is there a theoretical upper limit to black holes?
24:20 What will we accomplish in the next 100 years?
25:32 Life on Titan?
27:32 Did we capture any planets or moons from outside the Solar System?
28:32 Can I retire on Mars in 30 years?
29:59 How would we capture an asteroid to mine it?
31:16 Why don't we search for other kinds of life?
33:30 Simulation theory?
36:02 Haven't we tried reusable rockets before?
37:18 Geoengineering to stop global warming?
39:20 Did life ever exist on Mars?
40:43 Any viewers outside the US?
41:34 Any big errors I've made?
43:20 When will we start asteroid mining?
44:27 When will we get a bloopers episode?
45:02 Most exciting project?
47:00 What about Venus?
48:43 Any cancelled projects that make me sad?
49:43 Can we plant trees on other planets?
51:18 Will spacesuits get better?
53:13 Will Mars spacesuits protect from radiation?
54:11 My opinion of nuclear energy?
55:45 Travel to space in our lifetime?
56:25 Will I do a small QA tour?
57:01 Does my wife love space too?
58:10 Does a 2024 Moon landing make sense?

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In this week's QA, I answer if it's possible to come to a dead stop, will Mars be more habitable when the Sun expands as a red giant, is there a stellar mass black hole nearby, and more...

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For tonight's live QA, I'll be joined by Anton Petrov, a math and science teacher who talks about space and astronomy on his YouTube channel, often simulating events in Universe Sandbox to show how they work.

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In this week’s question show, Fraser searches for the most energetic collisions in the Universe, whether we should vacuum up dust on the Moon, and are there supernovae that don’t create black holes.

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