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Eva Angelini

NASA's New Asteroid Mission Could Save the Planet - Yahoo! News - 1 views

news.yahoo.com/...eroidmissioncouldsavetheplanet

obama president barack space 2025 asteroid rock NASA shuttles International Space Station

shared by Eva Angelini on 17 Apr 10 - Cached
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  • President Barack Obama set a lofty next goal this week for Americans in space: Visiting an asteroid by 2025.
  • But reaching a space rock in a mere 15 years is a daunting mission, and one that might also carry the ultimate safety of the planet on its shoulders.
  • And there's another compelling reason for touching an asteroid: Saving the planet.
  • ...4 more annotations...
  • Scientists estimate there are about 100,000 asteroids and comets near Earth, but only about 20,000 are expected to pose any risk of impact.
  • 1,000 of them flying in orbits that could potentially threaten the Earth in the future, NASA scientists have said.
  • "By 2025, we expect new spacecraft designed for long journeys to allow us to begin the first-ever crewed missions beyond the moon into deep space," Obama said. "We'll start we'll start by sending astronauts to an asteroid for the first time in history."
  • "Robots have never discovered things," Grunsfeld said. "People have discovered things, using robots."
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