Where did ‘Oumuamua come from? What is it made of, and how did it end up here? Is it really an artifact of an alien civilization?
Dec 21st: What’s the Truth Behind ‘Oumuamua?
Ask A Spaceman Archive
Dec 7th: What Comes After the James Webb Space Telescope?
What missions will come after the James Webb Space Telescope launches? What new discoveries await us? How long will they take to start?
Nov 16th: Where Can We Find Diamond Rain?
How do giant planets make diamond rain? Does it really, you know, rain? Where does diamond rain exist?
Nov 2nd: Will Our Universe End in a False Vacuum Decay?
What is a vacuum, and what makes a false one? What happened in the early universe to bring about our current physics? Will it happen again? If so, when?
Oct 19th: What the Heck are Gamma Ray Bursts?
What are the different kinds of gamma ray bursts? What powers them? What do we still have to understand about them? I discuss these questions and more in today’s Ask a Spaceman!
Oct 5th: Is There a Crisis in Cosmology?
Is there more to say about the “crisis in cosmology”? What are the fundamental disagreements? Is there any way out of this mess? Why am I talking about it again? I discuss these questions and more in today’s Ask a Spaceman!
Sep 21st: What’s the Best Way to Search for Life?
What kind of signals are we searching for from aliens? What are technosignatures and biosignatures? How are we looking for non-intelligent life? Is there any hope of finding life in our own solar system? I
Sep 7th: Why Should We Geek Out Over Maxwell?
Why is James Clerk Maxwell so dang awesome? How was he able to unify the forces of electricity and magnetism? Why was his work so revolutionary? @PaulMattSutter will answer this at #365DaysOfAstro
Aug 17th: What’s So Groovy About Gravitational Waves? – Part 2
How did the observation of a kilonova change astronomy? How did that one observation kill off alternate models of gravity? What’s in store for the future of gravitational waves?
Aug 3rd: What’s So Groovy About Gravitational Waves?
What are gravitational waves? What makes them? How can we detect them here on Earth, and why is it a big deal? I discuss these questions and more in today’s Ask a Spaceman!