What are the different kinds of asteroids? What are they made of? How can we send missions to capture them, and what will we do once we get one? I discuss these questions and more in today’s Ask a Spaceman!
How did so much junk get up in space? How can we clean it up? How is it making light pollution worse? I discuss these questions and more in today’s Ask a Spaceman!
How do we measure the age of the universe? Why are different methods giving different results? How do we solve this problem? I discuss these questions and more in today’s Ask a Spaceman!
What is a black hole firewall? How does it solve some paradoxes when it comes to black holes? Do the firewalls actually exist? I discuss these questions and more in today’s Ask a Spaceman!
What killed Mars billions of years ago? How can we kickstart a warming trend to transform Mars to look like Earth? What kind of technology do we need, and how well will it work? I discuss these questions and more in today’s Ask a Spaceman!