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Mystery space rock blazing through solar system ‘may be oldest comet ever seen’ – and there’s a chance you can spot it
AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...
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What If a Black Hole Passed Near the Solar System?
Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .
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What is space and what’s floating about in it?
We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.