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Episode 662: How Do We Know Black Holes Exist? With Dr Paul Sutter
I’d say half the astronomy-related videos on YouTube are all about black holes. Clearly, they’re a fascinating topic, but they’re also a mystery. How…
6 years, 1 month ago
Episode 661: Q&A 121: What Stops the Space Station from Re-Entry? And More... Featuring Michael Rodruck
In this week's questions show, I answer questions about how the International Space Station stays above the Earth's atmosphere, does dark matter need…
6 years, 1 month ago
Episode 660: Crew Dragon Reaches the Station. What it Took to Replace the Space Shuttle
On Sunday, May 31st, 2020, a SpaceX Crew Dragon capsule carrying astronauts Robert Behnken and Douglas Hurley docked with the International Space Sta…
6 years, 1 month ago
Episode 659: Open Space 81: Will Space-Time Freeze in the Far Future? And More...
Another week, another Open Space. This week, I answered questions about whether space-time could freeze, are standard candles like Type 1a supernovae…
6 years, 2 months ago
Episode 658: Open Space 80: Will We Ever Get Close to the Speed of Light? And More...
In this week's live Open Space, people wanted to know if solar sails really work, will we ever get close to the speed of light, what's the best way t…
6 years, 2 months ago
Episode 657: Q&A 120: Dark Matter Black Holes? And More...
In this week's questions show, I answer whether or not dark matter could become a black hole, how do we know the Universe is flat, and what would hap…
6 years, 2 months ago
Episode 656: Searching For Ice In The Moon’s Shadowed Craters
When you’re out in space, water is the most precious resource you can get your hands on. It can be used for air, water, to grow food, radiation shiel…
6 years, 2 months ago
Episode 655: Open Space 79: How Can Black Holes Have Infinite Density But Not Infinite Gravity? And More...
In this week's live QA, I explain why a black hole can have infinite density but not infinite gravity. Does your perception of time change due to you…
6 years, 2 months ago
Episode 654: Open Space 78: Astronomer Royal Martin Rees on the Future of Humanity
On a special time, we've got a special guest, Professor Martin Rees, a British cosmologist and astrophysicist. He's the Astronomer Royal and helped d…
6 years, 2 months ago
Episode 653: Catching Interstellar Objects. What If We Could Explore Oumuamua Or 2I/Borisov?
The distances to other stars are depressingly enormous. Sure, it’s incredibly far to get to Mars, Jupiter, and even Pluto, but at least you can desig…
6 years, 2 months ago