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Astronomers discover an enormous iron bar in the famous Ring Nebula: 'We definitely need to know more'

"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the ...
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Astronomers discover the famous Pleiades star cluster could be 20 times bigger than we thought

Astronomers have discovered that the Seven Sisters of the Pleiades star cluster have more stellar siblings than we thought — a lot more. Using NASA's exoplanet hunting spacecraft TESS (Transiting ...