Posts Tagged ‘Close Encounter’

Mercury was alive with volcanoes

Friday, October 31st, 2008
While it seems like a geologically dead planet today, early in its history tiny Mercury may have been a caldron of volcanic activity, Nasa scientists said on Wednesday. Data from the US space agency’s car-sized Messenger probe’s latest close encounter with the planet nearest the sun on Oct. 6 is helping to settle a debate dating back to the 1970s over the role volcanoes played in Mercury’s history. Messenger sent back images showing extensive and deep lava flows on the surface, including har