Spacecraft Woken for Asteroid Encounter

space.com — A comet-chasing spacecraft has been awoken during its years-long journey so it can study an asteroid it will fly past this September. Launched in March 2004, Rosetta will reach its final destination only in 2014, after traveling a total of about 4 billion miles (6.5 billion kilometers). The spacecraft will also fly by asteroid Lutetia in June 2010.