Category
page 12009 in science
Solar Impulse
long-range solar-powered aircraft
International Year of Astronomy
2009 UN theme year
APG III system
second revision (2009) of a classification of flowering plants by the Angiosperm Phylogeny Group
solar eclipse of July 22, 2009
solar eclipse

Tianhe-I
Tianhe-I, Tianhe-1, or TH-1 (, ; Sky River Number One) is a supercomputer capable of an Rmax (maximum range) of 2.5 peta FLOPS. Located at the National Supercomputing Center of Tianjin, China, it was the fastest computer in the world from October 2010 to June 2011 and was one of the few petascale supercomputers in the world.
Climatic Research Unit email controversy
conspiracy allegations based on hacked emails
2009 Jupiter impact
solar eclipse of January 26, 2009
solar eclipse
(136617) 1994 CC
near-Earth asteroid
2009 in science
overview of natural science-related events during the year of 2009
Mackinac Island meteorite
meteorite found on Mars
February 2009 lunar eclipse
Penumbral lunar eclipse 9 February 2009
Hawking's time traveller party
a party for time travelers in the University of Cambridge hosted by Stephen Hawking
December 2009 lunar eclipse
lunar eclipse
July 2009 lunar eclipse
lunar eclipse
August 2009 lunar eclipse
lunar eclipse
list of fellows of the Royal Society elected in 2009
Wikimedia list article

Science and Islam
film