Ethan's Profile
Ethan Siegel is a theoretical astrophysicist in Portland, OR. You can learn about him, contact him, or just enjoy the site.
Search
Recent Posts
- The Galaxy's Biggest Valentine
- Weekend Diversion: Interactive Scale of the Universe
- Hey, America! Break out the Binoculars after Sunset and see Uranus tonight!
- The Big Bang for Beginners
- Real Science and Health News: From a Truth Vigilante
- Weekend Diversion: The Greatest Thing Ever on Amazon.com
- Saturn's Super Storm Staggers Skywatchers!
- Defeating Hubble, from the ground!
- Defending Physics Against Cracked.com
- Weekend Diversion: The Best (and Easiest) Charity Ever!
Awards
2011: Winner - Charm Quark - 3QuarksDaily Prize in Science.

2010: Best Blog by physics.org.
2010: People's choice award by physics.org!
Recent Comments
- Pete Down Under on Saturn's Super Storm Staggers Skywatchers!
- srinivasan on Our Galaxy's Next Supernova
- BDNf on Real Science and Health News: From a Truth Vigilante
- Wow on Real Science and Health News: From a Truth Vigilante
- Candiru on Weekend Diversion: Interactive Scale of the Universe
- Torbjörn Larsson, OM on Weekend Diversion: Interactive Scale of the Universe
- Pronoein on Weekend Diversion: Interactive Scale of the Universe
- scooter on Weekend Diversion: Interactive Scale of the Universe
- Wow on Defending Physics Against Cracked.com
- Tristan on Weekend Diversion: Interactive Scale of the Universe
Archives
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
- June 2011
- May 2011
- April 2011
- March 2011
- February 2011
- January 2011
- December 2010
- November 2010
- October 2010
- September 2010
- August 2010
- July 2010
- June 2010
- May 2010
- April 2010
- March 2010
- February 2010
- January 2010
- December 2009
- 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
- February 2012 (8)
- January 2012 (17)
- December 2011 (18)
- November 2011 (17)
- October 2011 (20)
- September 2011 (22)
- August 2011 (18)
- July 2011 (18)
- June 2011 (16)
- May 2011 (15)
- April 2011 (17)
- March 2011 (18)
- February 2011 (17)
- January 2011 (15)
- December 2010 (16)
- November 2010 (17)
- October 2010 (16)
- September 2010 (17)
- August 2010 (17)
- July 2010 (19)
- June 2010 (15)
- May 2010 (17)
- April 2010 (19)
- March 2010 (19)
- February 2010 (16)
- January 2010 (17)
- December 2009 (20)
- November 2009 (23)
- 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 (263)
- big bang (65)
- biology (23)
- black holes (19)
- Blog Info (21)
- Dark Energy (32)
- Dark Matter (66)
- Education (38)
- Environment (41)
- Galaxies (82)
- Gravity (83)
- Health (14)
- Hubble (47)
- Math (18)
- Physics (219)
- Politics (22)
- Q & A (56)
- Random Stuff (153)
- relativity (35)
- Right and Wrong (15)
- Scientific papers (24)
- Solar System (142)
- Spaceflight (27)
- Stars (67)
- Supernovae (25)
- Video (20)

