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VICTOR HABBICK VISIONS/SCIENCE PHOTO LIBRARY/GETTY IMAGES -
Astronaut Loren J. Shriver orbiting Earth, August 1992. (Photo by Space Frontiers/Getty Images) -
Good news: If these things come too close, we can blast them out of the sky. Photo: NASA/ZUMA Press Wire Service/Shutterstock Scientists Have Finally Worked Out How to Save Earth from a Huge Asteroid
A new study has answered a question that Hollywood directors and defense specialists have been asking for decades.
