Now on ScienceBlogs: Friday Weird Science: Redder than a baboon's butt
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!
February 29, 2008
Category: Video
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...
Posted by Ethan Siegel at 2:06 PM • 1 Comments • 0 TrackBacks
February 27, 2008
Category: Scientific papers
It's been a spectacular week for the film space industry, and here at Starts With A Bang!, we've got the recap of all the highlights that you may have missed while watching the countless Oscar montages. Take your time browsing...
Posted by Ethan Siegel at 8:36 PM • 12 Comments • 16 TrackBacks
Category: Solar System
The Moon goes around the Earth, the Earth goes around the Sun, and the Sun goes around the center of the Milky Way. We know the Moon takes about 4 weeks to make its trip around the Earth, and that...
Posted by Ethan Siegel at 1:23 PM • 5 Comments • 3 TrackBacks
February 26, 2008
I was thinking about the timeline that brought us here, today, from the origin of the Universe up through the present day. I realized that the most uncertain thing that we know of, the step that we have the least...
Posted by Ethan Siegel at 2:20 PM • 2 Comments • 1 TrackBacks
Category: Q & A
startswithabang.com reader Andy has a great follow-up to his question on the Age & Size of the Universe, and asks: why does the CBR “appear” to come from a light sphere that “appears” NOW to be larger than the universe...
Posted by Ethan Siegel at 9:41 AM • 0 Comments • 1 TrackBacks
February 25, 2008
Category: Q & A
Let me set the scene for you: I'm fresh off my Ph.D., teaching introductory physics at the University of Wisconsin. I'm trying to demonstrate how to turn potential energy into kinetic energy, and so I ask this simple question: What...
Posted by Ethan Siegel at 10:07 AM • 3 Comments • 0 TrackBacks
February 23, 2008
Category: Random Stuff
As someone who's spent a lot of time in a University setting, one of the thing that often shocks me is the number of vegans that are out there. Why is it shocking? Because you need meat for proper nutrition....
Posted by Ethan Siegel at 12:18 PM • 13 Comments • 1 TrackBacks
February 21, 2008
Category: Q & A
Alright; this is a question I've been putting off for various poor reasons, but Starts With A Bang! reader Andy asks: If Im looking at something, the light from which has taken 15 billion years to get to me, and...
Posted by Ethan Siegel at 5:30 PM • 3 Comments • 2 TrackBacks
February 20, 2008
Category: Video
I was driving home from work at about 6:30 today and noticed the Moon, still orange, hanging low on the horizon. The lower left corner was just starting to be shadowed by the Earth. As it rose a little higher,...
Posted by Ethan Siegel at 7:37 PM • 4 Comments • 1 TrackBacks
Category: Scientific papers
Alright, startswithabang-ers, Ben, my most avid commenter, saw me online while I was eating breakfast this morning, and pointed me to this new press release. Now, before you get started clicking on everything, the guy who the release is about...
Posted by Ethan Siegel at 7:22 AM • 2 Comments • 0 TrackBacks
built on facts 02.09.2010
starts with a bang! 02.10.2010
greg laden's blog 02.10.2010
casaubon's book 02.11.2010
uncertain principles 02.11.2010
