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"Do you have any idea how fast you were going?" Astronomers use radar to measure the size and shape of an asteroid that whizzed past Earth ... and got a surprise.
Some asteroids share orbits with planets in special places called Lagrange points. Almost every planet has these so-called Trojan asteroids. Does Earth? We know of one, but the OSIRIS-REx mission may be about to find a lot more.
The space agency might be strapped for cash, but NASA always keeps a few bucks available to fund some moon-shot research. Well, this could be one of the coolest ideas in years.
Would you be better off in the aftermath of an asteroid crash or among the undead?
If an asteroid is barreling toward the Earth, the folks at NASA have a plan in place to find it and (hopefully) stop it. You know, assuming Russia doesn’t just blow the rock out of the sky first.