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(Image credit: NASA, ESA, and P. Crowther (University of Sheffield)) Jump to: Extreme temperature Life-cycle Giant blue stars Additional information Blue stars are by far the biggest and brightest stars in the galaxy. To the naked eye, the stars in the night sky all look very simil...
Sirius A (left) and B (right) (Image credit: NASA) Locating Sirius: Magnitude: -1.46 Type: Main sequence, A0 Constellation: Canis Major Sirius is the brightest star in the night sky, and sometimes the brightest object of all. The Moon and the planets Jupiter, Venus and Mars— and occas...
Biggest Stars in the Universe: NASA’s Hubble Space Telescope reveals the supercluster Westerlund 1, home to one of the largest stars ever discovered, originally named Westerlund 1-26. It is a red supergiant (although sometimes classified as a hypergiant) with a radius over 1500 times that of...
Canopus, the second-brightest star in the sky, is visible in this view photographed by astronaut Donald R. Pettit.Courtesy NASA / Johnson Space Center Canopus was well known to the ancients and is named either for an ancient city in northern Egypt or the helmsman for Menelaus, a mythological...
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These luminous balls of gas helped ancient explorers navigate the seas and now help modern-day scientists navigate the universe.
List of Stars Near the SunImage description: The closest star to the Sun is only 4.24 light-years away, called Proxima Centauri or α Centauri C, but it is not a bright star. Image source: NASA, ESA, Hubble SM4 ERO Team. Sun's Influence Zone...
Our Cycle 1 Guaranteed Time Observation programme with the National Aeronautics and Space Administration (NASA)/European Space Agency (ESA)/Canadian Space Agency (CSA) JWST (program identification (PID) 1257, principal investigator (PI) T. P. Ray) consisted of near-infrared camera (NIRCam)16 ima...
Star is captured by a black hole and pulled apart into a spaghetti strand. Credit: NASA/JPL-Caltech/JHU/UCSC When a black hole chews up a star, it produces visible light or X-rays, but astronomers have almost never detected both types of radiation. Astronomer Peter Jonker (SRON / Radboud...