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Close-Up View Of X1-Class Solar Flare Via NASA's IRIS Mission

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...
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1st known interstellar visitor 'Oumuamua is an 'exo-Pluto' — a completely new class of object, scientists say

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

400-Year-Old Cosmic Mystery Solved: New Class of Ancient Star System Discovered Hiding in Our Galaxy

New simulations suggest globular clusters form in multiple ways and point to a mysterious new type of star system that may ...
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Are 'little red dots' seen by the James Webb Space Telescope actually elusive 'black hole stars'?

The mystery of the James Webb Space Telescope's "little red dots" could be solved if they are not ancient galaxies but are ...