Ask A Spaceman Archives - Page 18 of 50

Dec 19th: Are quark stars real?

How does degeneracy pressure work? What kinds of particles exist below the level of neutrons?

What powers a quasar? Just how strong is a blazar?

What’s the idea behind the holographic principle? What does it have to do with black holes and the early universe?

Why is it tough to become a scientific researcher? What are some of the barriers in the field?

What in the world is metallic hydrogen? What does it even mean?

How does one become an astrophysicist? What are the challenges and rewards of that kind of career?

Why were the Voyager missions so important? Where are they now, and where are they going?

What does it mean for an electron to spin? Why do we have such a hard time measuring it?

What’s the balancing act happening inside stars? Why is iron the fusion limit? How long does it take for a star to blow?

How does the universe generate giant magnetic fields? How do we find them anyway?