Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close by. Nearly 4.4 million years ago, they swept past at a distance of only ...
Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...
An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...
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