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Ethan Siegel is a theoretical astrophysicist who currently teaches at Lewis & Clark College in Portland, OR. You can learn about him, contact him, or just enjoy the site.
April 8th @ 7PM -- premiere of the short film "Dark Matter", starring me, at Hollywood Theatre in Portland, OR!
May 30, 2009
Category: Random Stuff
Looking back on this week, I had a post about astronomy with a wide-angle lens and about the Tunguska blast. For this weekend's music, I'm going to rob South Park and show you South Park Elementary's #1 TV show of...
Posted by Ethan Siegel at 2:05 AM • 6 Comments • 0 TrackBacks
May 29, 2009
Category: Astronomy
Just a short while ago, I showed you how the most powerful telescopes were able to gather incredible amounts of light from a tiny part of the sky, and peer deeper into the darkest regions of the Universe than ever...
Posted by Ethan Siegel at 6:04 PM • 7 Comments • 0 TrackBacks
May 28, 2009
Category: Random Stuff
The website 3 quarks daily is having a contest for best blog post of the past year! The only rules? It must have been written since May 24, 2008. Check out the full contest rules here. You're here at scienceblogs,...
Posted by Ethan Siegel at 6:08 PM • 2 Comments • 0 TrackBacks
May 27, 2009
Category: Solar System
One of the scariest things that could happen to Earth is to be bombarded with an asteroid or comet, as the potential for damage is incredible. Well, it turns out that we get hit by tiny "space pebbles" all the...
Posted by Ethan Siegel at 8:18 PM • 15 Comments • 0 TrackBacks
May 26, 2009
Category: Stars
There are very few sources of truly clean energy out there. Coal, oil, natural gas, etc. all expel tremendous amounts of carbon dioxide into the atmosphere, something we know we need to stop doing very soon if we want our...
Posted by Ethan Siegel at 3:38 PM • 18 Comments • 0 TrackBacks
May 23, 2009
Category: Random Stuff
One of the great things that comes along with warm weather is outdoor concerts! Click "play" below to hear one of the greatest live performances of All Along The Watchtower ever recorded. Any idea who that is, rocking out on...
Posted by Ethan Siegel at 2:05 AM • 8 Comments • 0 TrackBacks
May 22, 2009
Category: Astronomy
It's Memorial Day weekend, and I won't be blogging over it, as I'm going to be enjoying my long weekend! (And I hope you are, too.) But I'd like to leave you with some reflections on our history of Space...
Posted by Ethan Siegel at 8:09 PM • 13 Comments • 0 TrackBacks
May 21, 2009
Category: Education
Regardless of where you work, one of the most nerve-wracking experiences can be your performance evaluations. Why is this nerve-wracking? Because no matter how talented and capable you are, and regardless of how good of a job you actually do,...
Posted by Ethan Siegel at 4:17 PM • 18 Comments • 0 TrackBacks
May 20, 2009
Category: Physics
When I was a teenager, my choice of food was basically determined by three criteria: It needed to be ready in under 10 minutes. It needed to have enough calories to make me not hungry anymore. And it needed to...
Posted by Ethan Siegel at 8:44 PM • 23 Comments • 0 TrackBacks
May 19, 2009
Category: biology
One of the greatest challenges in all of evolutionary science is to figure out which species evolved into which over time. From our perspective, we would love to know how humans came to be, who our ancestors were, and what...
Posted by Ethan Siegel at 8:00 AM • 12 Comments • 0 TrackBacks
