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?
Jul 20th: What are Asteroids Good For?
Ask A Spaceman Archive
Jul 6th: Who’s Going To Clean Up All That Space Junk?
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!
Jun 15th: Is There REALLY a Crisis in Cosmology?
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 with @PaulMattSutter at #365DaysOfAstro
Jun 1st: What is a Black Hole Firewall, and Do They Really Exist??
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!
May 18th: Could We Really Terraform Mars?
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? More with @PaulMattSutter at #365DaysOfAstro
May 4th: How Do Quantum Computers Work?
What makes quantum computers so powerful? What kinds of problems can they solve? How do we actually build one? Find the answer with @PaulMattSutter at #365DaysOfAstro
Apr 20th: Why Don’t Neutrinos Make Any Sense?
How did we discover neutrinos? What don’t they make any sense? Why do they have mass, and how do they change their identities?
Apr 6th: Is the Universe a Fractal?
Is our universe a fractal? How do we test this? Are there any places in the universe that look like fractals?
Mar 16th: What’s Outside the Universe?
What is the meaning of the horizon of the universe? Is the Earth in a special place? What’s the “dark flow”? Can this explain dark energy? Why don’t we believe it anymore?
Mar 2nd: What’s the Deal with the Uncertainty Principle?
What are the origins of the Heisenberg Uncertainty Principle? Is there any way to cheat it? What does this all have to do with waves? I discuss these questions and more in today’s Ask a Spaceman!