fostythesnowman

Hi, Mr. Filipenko, I just wanted to say thanks for doing this AMA! I watched your course from the Great Courses on Black Holes and found them incredibly helpful. In your opinion, what do you think are the biggest unexplained astronomical phenomena?

Thanks for doing this AMA!

We've been using the same space suits for a really long time now, and they seem to have worked pretty well so far. What has sparked this decision to go about creating a new, next generation spacecuit? What is the biggest issue you hope to address in the new iteration?