Archive for September, 2009

Sep 29 2009

Cosmic Rays Hit Space Age High

Published by admin under NASA Science



 

NASA spacecraft are measuring record-high levels of cosmic rays–a side-effect of the deepest solar minimum in nearly a century. This development could have implications for the amount of shielding astronauts need to take when they explore deep space.

cosmic rays

September 29, 2009: Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA’s ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.

“In 2009, cosmic ray intensities have increased 19% beyond anything we’ve seen in the past 50 years,” says Richard Mewaldt of Caltech. “The increase is significant, and it could mean we need to re-think how much radiation shielding astronauts take with them on deep-space missions.” [...]

 

 

Source: Nasa Science – click here for full article





 

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