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2009-01-20 13:40:00

A small, 4 billion-year-old moon rock collected by an astronaut during Apollo 17, the last manned mission to the Moon, provides evidence that the Moon once had a molten core that generated a magnetic field.


Word of the Day
dapifer
  • One who brings meat to the table; hence, in some countries, the official title of the grand master or steward of the king's or a nobleman's household.
The word 'dapifer' comes from Latin roots meaning 'feast' and 'bearer'.