2004 in science

The year 2004 in science had some important events, listed below.

 Events 

 January 3 - NASA's Spirit rover lands on Mars.
 January 24 - NASA's Opportunity rover lands on Mars.
 March 2 - NASA says that the area where their Mars probe Opportunity landed shows unmistakable signs of contact with water in the geological past.
 March 4 - NASA's Spirit finds proof of past contact with water in volcanic rocks on Mars.
 April 20 - NASA launched the Gravity Probe B to test the general theory of relativity of Einstein.
 October 27 - The Homo floresiensis has been discovered by Peter Brown, Michael Morwood and their colleagues.
 September 13 - Astronomers from the European Southern Observatory announce images that seem to show a planet orbiting a brown dwarf about 230 light years away.
 November 15 - The SMART-1 space probe reaches orbit around the Moon. It is the first European space mission to do so.

 Deaths 
 March 15 - John Pople, British Nobel Prize winning chemist
 July 3 - Andriyan Nikolayev, cosmonaut
 July 28 - Francis Crick, found the double helix in DNA

Category:2004
Category:Years in science