Tag Archives: space

New image shows the North Star is changing. And it has spots.

Some 430 light-years from Earth lies our stalwart cosmic beacon, the North Star. Except this star is actually volatile. It’s pulsating as it constantly grows and shrinks. And a new unprecedented image of the hot ball of gas reveals it’s covered in large spots. In research published by The Astrophysical …

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The Vacuum of Space Will Decay Sooner Than Expected

The original version of this story appeared in Quanta Magazine. Vacuum decay, a process that could end the universe as we know it, may happen 10,000 times sooner than expected. Fortunately, it still won’t happen for a very, very long time. When physicists speak of “the vacuum,” the term sounds …

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Is Mercury retrograde messing with you? Think again.

Mercury is a little-known, still mysterious world. But one thing is certain. Mercury, the closest planet to the sun, can’t actually travel backward in retrograde, and doesn’t impact us on Earth. The notion of Mercury retrograde, a common reference in astrology wherein communication and travel are temporarily impaired, can, of …

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NASA rover snaps photo of its most daunting challenge yet

A car-sized NASA rover, weighing over a ton, will scale a crater wall. The space agency announced that its robotic Perseverance mission, now looking for hints of past life on Mars, is embarking on the next phase of Martian exploration. But first, it must climb out of the Jezero Crater, …

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NASA Nears Decision Time on Boeing Starliner’s Fate

With no consensus on the safety of the Starliner crew capsule, NASA officials said Wednesday they need another week or two before deciding whether to bring two astronauts back to Earth on Boeing's spacecraft or extend their stay on the International Space Station until next year. Boeing's Starliner spacecraft, stricken …

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