nasa stories

 
Engineers and staff from NASA's Jet Propulsion Laboratory, including plenty of the folks responsible for landing the Curiosity rover safely on Mars, took to Reddit to answer any and all questions about the Mars Science Laboratory mission. Well, they tried to answer — the session exploded and right now has over 7,000 comments. Here, we've collected 10 questions and answers we felt stand out from the bunch. The questions from Redditors and answers from the team at JPL are presented unedited.
 
The Earth is surrounded by a donut-shaped zone of energetic charged particles called the Van Allen radiation belt. Depending on who you ask, this region is either Earth's magnetic field trapping particles from the solar wind, or a secret government project intended to protect us from aliens. NASA's sending up some armored tentacle probes to learn more.
 
NASA's Jet Propulsion Laboratory couldn't have hoped for a more perfect Mars landing for Curiosity. The complex descent went off without a hitch, and not only did Curiosity start sending postcards from Mars immediately, but the Mars Reconnaissance Orbiter had a surprise for the world, too.

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