Questions answered in this episode:



"If I was able to stand on a Neutron Star would I become extremely dizzy? What effect would this extreme rotational speed have on the body? Would the Neutron Star rotate so quickly that the stars would appear trailed as they do in a long exposure photograph?" -Slymin



"Hello there, My question is, what is a white dwarf made of and what is its energy output compared to our sun? (shortly after being formed)" -Rudolf Droberjár



"In two billion billion years, when the Sun starts heating, will Mars ever be hot enough to boil it's CO2 and produce an atmosphere habitable to life?" - Snakeyes244

Submit your questions for the next round of Ask the Experts by clicking here and posting in the YouTube comments (Google account required). And while you're there be sure to subscribe to our Spacelab channel for weekly videos on space and astronomy.

The question with the most "likes" will be answered in the next video by a new guest expert. Previous episodes have featured astronomer Caleb Scharf, astrophysicist Neil deGrasse Tyson and Scientific American's own editor in chief, Mariette DiChristina.