Ethan's Profile
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.
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Recent Posts
- Weekend Diversion: The only reason to twitter
- It isn't obvious...
- Dark Energy: Gaining a Foothold (Part 2)
- Dark Energy: Hard to Kill (Part 1)
- The Ares I-X Rocket Special
- Weekend Diversion: Happy Halloween 2009!
- Happy Halloween from the Universe!
- Setting the Cosmic Distance Record
- Q & A: How could a meteor *explode*?
- What is Dark Matter?
Upcoming Events
April 8th @ 7PM -- premiere of the short film "Dark Matter", starring me, at Hollywood Theatre in Portland, OR!
Recent Comments
- Ian on Dark Energy: Hard to Kill (Part 1)
- samuel on Weekend Diversion: The only reason to twitter
- Thomas Neil Neubert on It isn't obvious...
- Thomas Neil Neubert on Setting the Cosmic Distance Record
- 33 on Is it evil to sell MOND over Dark Matter?
- Christopher Prince Boucher on 2012: The Real "Milestone", The Real Danger
- Thomas Neil Neubert on Dark Energy: Hard to Kill (Part 1)
- Ray Shore on It isn't obvious...
- Robert on The Ares I-X Rocket Special
- Detlef on Dark Energy: Hard to Kill (Part 1)
Archives
- November 2009
- October 2009
- September 2009
- August 2009
- July 2009
- June 2009
- May 2009
- April 2009
- March 2009
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
Blogroll
Astronomy/Physics- Ask an Astronomer
- AstroEngine
- Astronomy Lectures (ASP)
- AstronomyCast
- AstroPhotography
- Bad Astronomy
- Brian's Astronaut Page
- Cosmic Variance
- Dynamics of Cats
- Hubble Picture Gallery
- Not Even Wrong
- One Astronomer's Noise
- Orbiting Frog
- Picture of the Day (APOD)
- Planetary Society
- Second Sight
- Universe Today
By Date
- November 2009 (6)
- October 2009 (26)
- September 2009 (25)
- August 2009 (27)
- July 2009 (28)
- June 2009 (23)
- May 2009 (30)
- April 2009 (29)
- March 2009 (1)
- May 2008 (23)
- April 2008 (40)
- March 2008 (26)
- February 2008 (25)
- January 2008 (10)
By Category
- Astronomy (63)
- big bang (16)
- biology (11)
- black holes (3)
- Blog Info (11)
- Dark Energy (14)
- Dark Matter (31)
- Education (13)
- Environment (10)
- Galaxies (30)
- Gravity (29)
- Health (6)
- Hubble (19)
- Math (7)
- Physics (48)
- Politics (6)
- Q & A (34)
- Random Stuff (54)
- relativity (11)
- Right and Wrong (3)
- Scientific papers (17)
- Solar System (63)
- Spaceflight (1)
- Stars (16)
- Supernovae (9)
- Video (15)
