How did the universe begin? How will it end? What’s going on in here and how did we learn all this? I discuss these questions and more in today’s Ask a Spaceman!
Feb 2nd: What is the Universe?
Tag: Ask A Spaceman
Jan 19th: What are Galaxies?
What is a galaxy? What does our own galaxy look like? What are the different kinds of galaxies, and how did they get that way?
Jan 5th: What Are Neutron Stars, White Dwarfs & Black Holes?
What is a white dwarf? What is a neutron star? What is a black hole? I discuss these questions and more in today’s Ask a Spaceman!
Dec 15th: What Happens When Stars Die?
What’s the difference between a “dwarf” and “giant” star? How are stars born? What happens when stars die? I discuss these questions and more in today’s Ask a Spaceman!
Dec 1st: Astro101 Part 3 – What is a Star?
What are the different kinds of stars? Why does classification in astronomy make no sense? How the heck do we define a “star”, anyway?
Nov 3rd: Astro101 Part 1 – Why bother with astronomy?
It’s time for school! Astro101 series with @PaulMattSutter will discuss why did people used to study astronomy? Why do they continue to study astronomy?
Oct 22nd: Could the “emdrive” really work?
What does the “emdrive” claim to do? How does it violate almost all of known physics? What were the problems with the experiments? I discuss these questions and more in today’s Ask a Spaceman!
Oct 6th: What’s really at the center of a black hole?
What can possibly replace the singularity? What are Planck stars and Gravastars? What’s it like to fall into a rotating black hole?
Sep 15th: Can Planets Survive the Death of Their Star?
When stars die, do their planets die too? What can possibly survive after a supernova explosion? How will the death of the sun affect our solar system? Can zombie planets rise from the dead?
Sep 1st: Why Aren’t There More Black Physicists?
What are the accomplishments of black astronomers and physicists? Why does diversity remain so low in higher education, especially physics? What can we do to prevent bias and discrimination? I discuss these questions and more in today’s Ask a Spaceman!