|
|
|
Feed
+ Podcast
+ Twitter
+ Meme Set
10/28/2010 PERMALINK
  Study says solar systems like appear to be common. SOURCE : A survey of 166 nearby stars like our sun reveals increasing numbers of smaller planets down to the smallest planets detectable today -- super-Earths about three times the mass of the Earth. If this trend continues, UC Berkeley astronomers Andrew Howard and Geoff Marcy estimate, one of every four sun-like stars may have an Earth-like planet. (Species Survival Meme: Our Cosmos is a dangerous enough neighborhood that a species keeping all its eggs in one basket is sure to suffer a premature extinction.) Archives:
June 2008 /
July 2008 /
August 2008 /
September 2008 /
October 2008 /
November 2008 /
December 2008 /
January 2009 /
February 2009 /
March 2009 /
April 2009 /
May 2009 /
June 2009 /
July 2009 /
August 2009 /
September 2009 /
October 2009 /
November 2009 /
December 2009 /
January 2010 /
February 2010 /
March 2010 /
April 2010 /
May 2010 /
June 2010 /
July 2010 /
August 2010 /
September 2010 /
October 2010 /
November 2010 /
December 2010 /
January 2011 /
February 2011 /
March 2011 /
April 2011 /
May 2011 /
June 2011 /
July 2011 /
August 2011 /
September 2011 /
October 2011 /
November 2011 /
December 2011 /
January 2012 /
February 2012 /
|