How can a “big rip” tear the Universe apart? What does that mean for existence itself? Is it going to happen, and what are we doing to find out? I discuss these questions and more in today’s Ask a Spaceman!
Satellites on a collision course! Will the Big Rip destroy everything? What is the heat death of the universe? Why does Venus still have an atmosphere?
An asteroid that changes color!
Why does a black hole end in a singularity? How can we measure distances to stuff in space?
Does the Universe go on forever or does it have an edge? Has it always existed and if not, how old is it? Will it end? more at #365DaysOfAstro today’s @unawe #spacescoop