May 25, 2020
Streamed live on May 22, 2020.
So we're familiar with regular binary stars. Two stars orbiting each other. Simple. Of course the Universe has come up with every combination of things orbiting other things, and this week we look at some extreme examples.
May 18, 2020
Astronomy Cast Ep. 570: Discovering Comets
Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more comets are getting found by spacecraft, automated systems and machine learning. This week we'll talk about how comets are discovered and how you can get...
May 11, 2020
Every year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket. What are the ethical implications of this as the costs of spaceflight come down?
May 6, 2020
The key to surviving in space will be learning how to live off the land. Instead of carrying all your fuel, water and other resources from Earth, extract them locally from your destination. It's called In Situ Resource Utilization, and if we can figure it out, it'll change everything.