How scientists find the big asteroids that can threaten Earth. "You need to know what's coming, when it's coming, and how hard it's going to hit." A Mashable series about the curious space rocks
Nasa’s Dart spacecraft has crashed into the asteroid Dimorphos 6.8m miles from Earth in the space agency’s first “planetary defense test”. Confirmation came shortly after its 7.14pm EDT
The asteroid is expected to pass the Earth at about 100,000 miles away – about half the distance to the Moon – at about 3:51 p.m. EDT, NASA said Saturday on Twitter. Asteroid 2023 DZ2 will
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next big asteroid to hit earth
