galaxies
Tag archives for galaxies
What does the Universe look like beyond our Galaxy?
Posted by Ethan on August 9, 2012 
“Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.” -Carl Sagan Our night sky, quite literally, is our window to the Universe. Well, it’s kind of a…
One does not simply “believe” in Dark Energy…
Posted by Ethan on July 19, 2012 
This is an enhanced version (with some upgraded images and text) of an article I first wrote over two years ago. It is just as valid today as it was back then, only today, I have a special offer to go with it. Next week, a bunch of cosmologists and myself are getting together and…
Sometimes, Size is Everything!
Posted by Ethan on June 12, 2012 
“I went into a clothing store, and the lady asked me what size I was. I said, ‘Actual’. I’m not to scale.” -Demitri Martin When you look out at the Universe, what you can see is limited, at the most fundamental level, by the size of what you look with. This is why you can…
What Lies in the great Pinwheel Galaxy?
Posted by Ethan on May 26, 2012 
“This seems to be the law of progress in everything we do; it moves along a spiral rather than a perpendicular; we seem to be actually going out of the way, and yet it turns out that we were really moving upward all the time.” -Frances Willard As spring gives way to summer here in…
Weekend Diversion: Life on Other Planets
Posted by Ethan on May 24, 2008 Brought to you by Max Cannon, creator of Red Meat and also the dude who helps run the awesome independent Loft Cinema here in Tucson: Hilarious… Also, if you haven’t caught it yet, don’t forget to check out this week’s Carnival of Space, where we have an entry about actually seeing a supernova go off.
Great things await you online…
Posted by Ethan on February 15, 2008 Three awesome things are going on today for you, and I invite you to check them all out: The latest Carnival of Space is live, where you have your choice of 23 different astronomical topics to choose from. Of course, my post this week on galaxies and how they’re made is on there, too! Pamela…
Galaxies are made exactly how, now?
Posted by Ethan on February 13, 2008 Last week, Jamie (my significant other) came home from work and told me about a conversation she had with her coworker, Chris. This week she asked another one, Miguel, whether he had any questions about Astronomy, Physics, space, etc. This week’s question comes from Miguel: What is a galaxy, anyway? Why does it look like…
