astronomers

4 Stories

Our Days Are a Smidge Longer Than They Used to Be

Which we know thanks to some meticulous ancient astronomers

(Newser) - The meticulous work of ancient astronomers has led to a modern observation: Our days are longer than they used to be. Not that you'd notice: The new research in the Proceedings of the Royal Society A shows that it takes the Earth a tiny bit longer these days to... More »

NASA to Chase Asteroid That Has Slight Chance of Hitting Earth

But even if Bennu does strike in 170 years, it won't be end times

(Newser) - There's an asteroid out there that might slam into Earth in about 170 years, but contrary to some recent scary-sounding headlines, it won't wipe out Earthlings if it does, reports Space.com . "We're not talking about an asteroid that could destroy the Earth," says Dante... More »

Why Astronomers Hate Roomba's Lawnmower Plans

'It's telescopes vs. robots'

(Newser) - The next big thing in lawn-mowing technology could come from the makers of the Roomba—but first, they're facing a fight with astronomers. That's because iRobot's proposed device would use radio signals to keep the mowers from going rogue and moving off a user's property. Robot... More »

Oldest Spiral Galaxy Shocks Astronomers

'Grand-design' spiral formed only 3B years after Big Bang

(Newser) - An ancient galaxy has flabbergasted astronomers. The perfectly formed spiral galaxy was born eons ago, a mere 3 billion years after the Big Bang. But this galaxy type was considered impossible so early on, when the cosmos was too chaotic to mold a "grand-design" spiral. How did it appear?... More »

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