March 2005 in Science - March 4, 2005

March 4, 2005

• The Rosetta space probe executes its first Earth flyby of a total of three on its way to the comet 67P/Churyumov-Gerasimenko. This one comes closest to the Earth's surface with an altitude of 1954.7 km. (ESA)
• Hydrothermal vents in the mid-Atlantic, named Lost City, support different types of microorganisms than black-smoker vents. Black smoker vents release carbon dioxide, hydrogen sulfide and metals that are metabolised by life-forms, the Lost City vents release methane and hydrogen. (EurekAlert!) (Nature)
• The smallest star to emit light has been discovered in the Carina constellation. The star named OGLE-TR-122B is the size of Jupiter. (BBC)