Space News Archive - April 30, 2010


The king of 3D, “Avatar” director James Cameron, is helping NASA build a high-resolution camera that will bring 3D technology to the next-generation Mars rover.


Near-Earth asteroid 2005 YU55 was "imaged" by the Arecibo Radar Telescope in Puerto Rico on April 19.

Word of the Day
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.