It’s not just our Solar System that has a habitable zone, it turns out our entire galaxy has regions which would be hostile to the formation of life as we know it.
f you’re going to send a spacecraft to Mars, you’ve got to know that place has an insatiable hunger for our plucky robot companions. Why is this place cursed?
Here’s a big mystery in astronomy: fast radio bursts. What are they? Where do they come from? more at #365DaysOfAstro
Universe isn’t expanding into anything. But what if we’re living in a vast multiverse, and our Universe is bumping up against other universes?
Black holes are pretty dangerous, so it’s a good idea to keep an idea on where all the nearby ones are. How close is the closest one, anyway?