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Signal Photos

 

A lesson that’s out of this world

Posted: April 14, 2011 1:55 a.m.
Updated: April 14, 2011 1:55 a.m.
JPL Web Editor Josh Rodriguez uses a PowerPoint slide to describe the search for other planets and galaxies. JPL Web Editor Josh Rodriguez uses a PowerPoint slide to describe the search for other planets and galaxies.
JPL Web Editor Josh Rodriguez uses a PowerPoint slide to describe the search for other planets and galaxies.
Jet Propulsion Laboratory Project Manager Ben Parvin, right, catches a sound-emitting ball thrown over the heads of seventh- and eight-graders at Arroyo Seco Junior High School in Valencia on Wednesday. The demonstration taught students about the changing sound frequencies of the Doppler effect as sounds change position. Jet Propulsion Laboratory Project Manager Ben Parvin, right, catches a sound-emitting ball thrown over the heads of seventh- and eight-graders at Arroyo Seco Junior High School in Valencia on Wednesday. The demonstration taught students about the changing sound frequencies of the Doppler effect as sounds change position.
Jet Propulsion Laboratory Project Manager Ben Parvin, right, catches a sound-emitting ball thrown over the heads of seventh- and eight-graders at Arroyo Seco Junior High School in Valencia on Wednesday. The demonstration taught students about the changing sound frequencies of the Doppler effect as sounds change position.
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