What consequences would Astronomy face if JWST had failed? Does SETI still do good work? Does our Universe live inside of a giant black hole? And in the free addition of [Q&A+] on Patreon, can there be an experiment that would provide proof of alien life? Answering all these questions and more in this Q&A show.
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Webb discovers auroras on Neptune, and measures the exact size of Asteroid 2024 YR4, the first Private Mission to carry humans on a polar orbit, a mission that could reach and explore Mercury using only a solar sail. And in our bonus story on Patreon, what would it take to build a sample return mission to Io?
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Why don't moon landers just heat themselves to live through the lunar night? Will Betelgeuse's explosion cause a lot of gravitational waves? Is it even theoretically possible to accelerate close to the speed of light? And in our free bonus question on Patreon, what is my dream space mission? Answering all these questions and more in this Q&A show.
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Could there be rouge planets floating in space between us and Alpha Centauri system? Will the Chinese be beaming power from a space station to Earth? Will solar sails be used for propulsion in our lifetime? And in our free bonus question on Patreon, how Lagrange points work for different planets and moons? Answering all these questions and more in this Q&A.
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Liquid mirror telescopes exist. But there's a big problem with them. They can only look directly up. Can we fix it? Can they work beyond the Earth's surface, in orbit or on the Moon? Finding out in this interview.
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00:00 Intro
01:16 How liquid mirror telescopes work
06:39 Changing the orientation
17:18 Adaptive optics with liquid mirrors
19:32 Going beyond Earth surface
25:18 Current obsessions
29:02 Final thoughts
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Long-chain hydrocarbons found on Mars, has dark energy been decreasing over time? a completely flat telescope lens, the center of the Milky Way contains a star grinder. And in our free version on Patreon, a new theory for the formation of Mercury.
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Will astronauts be eventually replaced by robots in space? Is there a plan for a replacement for the Kepler telescope? Do Intuitive Machines failures mean that Starship HLS is kind of in danger? And in our free bonus question on Patreon, will Artemis become 100% SpaceX? All this and more in this Q&A show.
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Titan is the only known world except Earth that has liquid on its surface and a dense atmosphere. We are planning to send a nuclear helicopter called Dragonfly to explore it. What can we expect from Titan? Finding out in this interview.
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00:58 Why Titan?
08:28 Climate on Titan
13:32 Dragonfly mission
23:31 Sub-surface ocean
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Should we be colouring our star green to make it stand out for potential aliens? What would it take for a space station to be fully self-sufficient? What happened to LUVOIR which was supposed to be a bigger version of JWST? And in our free bonus question on Patreon, can you win a Nobel Prize by watching YouTube videos. All this and more in this Q&A.
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Blue Ghost wraps up two busy weeks on the Moon with a sunset, good news, the death star isn’t pointing at us, and a new option for the Mars Sample Return mission. And our longer edition on Patreon, how supernovae could have caused two of Earth’s mass extinction events.
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What would a black hole do if it was inside Uranus? What do I think about AI-generated content impersonating Universe Today? What telescope should you buy in 2025? And in our free extended version, the deepest rabbit hole I went into. All this and more in this Q&A show.
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00:27 Black hole in Uranus
02:12 What would I tell scientists 100 year ago?
03:44 Telescope recommendations
06:39 Channels impersonating me. What should I do?
08:39 How does throwing a ball in an artificial gravity ring station look like?
11:57 Will Betelgeuse explode soon?
14:30 Where to leave your questions
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What is my biggest disappointment in the history of space exploration? Will the YR4 asteroid have a chance to hit the Moon? Does the solar gravitational lens need a coronagraph? And in our free extended version, how time dilation changes intergalactic travel? All this and more in this Q&A show.
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As we put more and more satellites in orbit, chances of them colliding also increase. How can we manage that? How can we make sure that Kessler syndrome won't happen and keep all those satellites from destroying each other? Finding out in this interview.
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🟣 Guest: Dr. Sydney Dolan
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00:00 Intro
01:38 How satellites avoid collisions
08:11 Close calls
11:20 Detecting and modelling collisions
20:28 Understanding orbits
25:28 Autonomy
32:18 Current obsessions
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Could we find a way to Earth from another part of a galaxy? Would people born on Mars grow taller to adopt to lower gravity? Can you jump off the surface of Pluto? And in our free bonus question on Patreon, what would happen if dark energy is disproved? All this and more in this Q&A.
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00:00 Start
00:29 Could we find a way back home from another part of the galaxy?
03:06 How high could you jump on Pluto?
04:23 Would people born on Mars be taller?
06:36 Is a space race a good idea?
11:10 Should asteroid mining be regulated?
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Astronomers find 128 new moons for Saturn, four mini-Earths orbiting around Barnard’s Star, a new video from Blue Ghost 1, massive science budget cuts for NASA, and in our Patreon version, a bonus story about the return of the X-37b spaceplane.
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Is it possible that some of the galaxies out there are made of antimatter? How transparent is science research across the world? Which of the Lagrange points is my favourite? And in our free bonus question on Patreon, how big can of a moon can the Earth sustain? All this and more in this Q&A show.
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Firefly’s Blue Ghost 1 lands safely on the Moon, Athena… doesn’t, and another lunar mission goes missing. NASA shuts down more instruments on the Voyagers, and Europa Clipper makes a flyby of Mars. Starship explodes again. And in the free Patreon edition, how Vera Rubin could find another flyby target for New Horizons.
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Did James Webb break the age of the Universe? Can we watch asteroids that are about to hit the Moon? How much of actuation astronomy is done on the ISS? Plus, in our extended version on Patreon, what shape do black holes take? Answering all these questions and more in this Q&A.
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00:00 Start
00:27 Did JWST break the age of the Universe?
04:22 How much astronomy is done on the ISS?
07:53 How to prepare to the Halley's comet arrival?
09:58 How can we know the mass of a black hole?
10:47 Is infinite speed better than the speed of light?
11:44 Do we track asteroids that might hit the Moon?
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Is there a risk of contaminating Earth with space-resistant bacteria when de-orbiting the ISS? What would be the next big outpost when humanity reaches Mars? What's the real shape of Lagrange points? Plus, in our bonus part on Patreon, could there be life in lava tubes. Answering all these questions and more in this Q&A show.
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00:00 Start
00:30 What's the ultimate destiny of stars?
03:16 Could we colonize Mars if it had air?
07:39 Could we colonize Venus if it had air?
10:20 Why bring up the density of black holes?
12:57 Fraserverse movies
17:46 Do neutrinos go faster than light?
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