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By Al Grauer on September 1, 2019 in
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Asteroid search program focus focus on finding the large asteroids which pose a threat to Earth & manned mission to an asteroid.

By Al Grauer on January 20, 2019 in
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There’s a rare Atira type asteroid approaching the earth!

By Al Grauer on July 30, 2017 in
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If Martian microbial life is discovered, is it ethical for humans to colonize Mars?