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Why Is NASA Working So Hard To Learn How To Defend The Earth From Giant Asteroids?


Why Is NASA Working So Hard To Learn How To Defend The Earth From Giant Asteroids?
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Did you know that NASA is going to send a spacecraft on a suicide mission in an attempt to change the trajectory of a massive space rock? The good news is that the space rock that NASA will be crashing this spacecraft into is not on a collision course with Earth. It is only a test. But why has NASA suddenly become so concerned with figuring out how to defend the Earth from giant asteroids? Could it be possible that there is something heading toward Earth in the future that they haven’t told us about yet? ....

Luis Alvarez , Walter Alvarez , Ancient Aliens , Chicxulub Crater , லூயிஸ் அல்வாரெஸ் , வால்டர் அல்வாரெஸ் , பண்டைய வேற்றுகிரகவாசிகள் ,

"The Day the Earth Rained Glass" (Weekend Feature)


 
“Driving through the lonely, windswept ranchlands of southwestern North Dakota, we got out of our field vehicle, passed through through a rickety gate in a flimsy barbed-wire fence, and entered a postage-stamp-sized plot of eroded landscape. Soon we were digging out fossil fish that died 66 million years ago choking on melt-glass spherules thrown into the atmosphere by the meteor impact 1800 miles to the south in Yucatan, Mexico, that had killed the dinosaurs, opening the way for mammals, and eventually humans, to take over the terrestrial world,” planetary scientist Mark Richards wrote to
The Daily Galaxy in an email about what was one of the defining events in the history of planet Earth.  ....

New York , United States , Japan General , Hell Creek , Noord Holland , Gulf Of Mexico , Mexico General , North Dakota , New Yorker , Robert Depalma , Douglas Preston , Louie Psihoyos , Mario Rebolledo , Jackie Faherty , Jan Smit , Luis Alvarez , Mark Richards , Peter Brannen , Vrije Universiteit , Walter Alvarez , University Of California , Proceedings Of The National Academy Sciences , University Of Washington , Palm Beach Museum Of Natural History , Uc Berkeley Professor Of The Graduate School , Amnhvia University Of California ,