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It’s Not Actually Size That Determines How Deadly a Meteor Is

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We have a lot to thank meteorites for. Had they not instigated several mass extinction events, including wiping out non-avian dinosaurs, we probably wouldn’t be here today. But some things still don’t add up about the massive scale of decimation they can cause.   “For decades scientists have puzzled over why some meteorites cause mass … Read more

Mysterious Object That Survived a Close Encounter With a Black Hole Is Unmasked

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A mysterious cloud that somehow survived a close encounter with a supermassive black hole has now been unmasked. According to a new study of the object, called G2, it’s actually three baby stars, shrouded in a thick cloud of the gas and dust from which they were born. This interpretation offers a very tidy solution … Read more

Coronal mass ejections: Huge plasma cloud observed on a sun-like star

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A coronal mass ejection from the star EK Draconis was 10 times larger than any we have seen on our own sun Space 9 December 2021 By Chen Ly A coronal mass ejection on the sun photographed by NASA’s Solar Dynamics Observatory NASA Goddard Astronomers have seen a huge cloud of plasma erupting from the … Read more

Our Sun May Have Been Born With a Trouble-Making Twin Called ‘Nemesis’

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A recent model on how stars are formed adds weight to the hypothesis that most – if not all – stars are born in a litter with at least one sibling. Our own star at the center of the Solar System is probably no exception, and some astronomers suspect that the Sun’s estranged twin might … Read more