merger

Tag archives for merger

The Largest Trainwrecks in the Universe

“Where you used to be, there is a hole in the world, which I find myself constantly walking around in the daytime, and falling in at night. I miss you like hell.” -Edna St. Vincent Millay It was just a little while ago that we were all speculating wildly — and optimistically — about Comet…

Ask Ethan #7: How to End the World

“If you are writing any book about the end of the world, what you are really writing about is what’s worth saving about it.” -Justin Cronin Well, it’s Friday again, and that means it’s time to dip into the question/suggestion box, and see what you’ve come up with for me. This week’s Ask Ethan comes…

“The man’s a born straggler… another lucky exception to the rules of natural selection. A million years ago he would’ve been an easy snack for a saber-toothed tiger.” -Carl Hiaasen Welcome to the latest Messier Monday, where each week we take a look at one of Charles Messier’s original catalogue of 110 deep-sky objects that…

Where do Type Ia Supernovae come from?

“You have to have a canon so the next generation can come along and explode it.” -Henry Louis Gates When it comes to stars, their fates are very well known. Every single star that’s massive enough to fuse hydrogen into helium in its core will someday run out of fuel and die. The very brightest…

Get Your Galaxy in Gear!

“We don’t understand how a single star forms, yet we want to understand how 10 billion stars form.” -Carlos Frenk The Universe has been around for a long time: nearly 14 billion years, to the best of our knowledge. When it was very young, there were absolutely zero stars in it, while today, there are hundreds…

Black Hole Kicked Out of Galaxy

No, not because it was too young to drink! Scientists at the Max Planck Institute for Extraterrestrial Physics were looking at some X-ray objects, and discovered something really weird: a very bright X-ray source moving out of a galaxy at nearly 3,000 kilometers/second! This thing is a goner. If our Sun were moving at even…

Bring him to me!

The Milky Way galaxy is a relatively big spiral galaxy. So is Andromeda. There are about 20 dwarf galaxies that are gravitationally bound to us; combined with us, all of this makes up the local group. But Andromeda is moving towards us, and eventually, it’s going to merge with us. I’ll once again show you…