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2012-11-21 12:25:09

[ Watch the Video: Moon Phase & Libration 2013 ] Lee Rannals for redOrbit.com - Your Universe Online The Lunar Reconnaissance Orbiter (LRO) has helped to create an animation showing hourly intervals of the moon's surface throughout next year. Topographic measurements by the Lunar Orbiter Laser Altimeter aboard LRO makes it possible to simulate shadows on the Moon's surface. "Thanks to Lunar Reconnaissance Orbiter, we now have excellent terrain maps of the Moon that can tell us...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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