An eerie blue hand seems to be reaching out across the universe in a recently released image from NASA’s Chandra X-ray ...
Sagittarius unveils stellar wonders, from the Lagoon and Trifid Nebulae showcasing the Milky Way’s breathtaking cycle of ...
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On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...
Planetary nebulae, formed when red giant stars exhaust their fuel, can sometimes be spectacular (see the Hourglass Nebula) ...
Gueststarsincludenotonlynovasbutalsosupernovae,comets,andothertransientcelestialbodies.In1181AD,asuperno… ...
Stellar black holes form when massive stars collapse after death. They usually weigh between three and fifty times the Sun.
However, recent research suggests that some binary black hole mergers may not occur in isolation, but rather under the 'gaze' ...
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