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Bookmark or Share- Star Duo Forms ‘Fingerprint’ in Space, NASA’s Webb FindsA Wolf-Rayet star is an O-type star, born with at least 25 times more mass than our Sun, that is nearing the end of its life, when it will likely collapse and form a black hole. Burning hotter than in its youth, a Wolf-Rayet star generates powerful winds that push huge amounts of gas into space.
- NASA Gets Unusually Close Glimpse of Black Hole Snacking on StarLocated about 250 million light-years from Earth in the center of another galaxy, it was the fifth-closest example of a black hole destroying a star ever observed. Once the star had been thoroughly ruptured by the black hole’s gravity, astronomers saw a dramatic rise in high-energy X-ray light around the black hole.
- Stars and Galaxies | NASA Jet Propulsion Laboratory (JPL)Stars and Galaxies Research at JPL. The nighttime sky is magical. The dark curtain sprinkled with tiny dots of light has inspired songs, sparked romances, and prompted humans through the ages to gaze at the twinkling scene overhead and wonder what’s out there and what it all means. Some of those humans are scientists and engineers at JPL, who ...
- How Do We Know When Voyager Reaches Interstellar Space?The pace of change quickened dramatically on July 28, 2012. After five days, the intensities returned to what they had been. This was the first taste of a new region, and at the time Voyager scientists thought the spacecraft might have briefly touched the edge of interstellar space. By Aug. 25, when, as we now know, Voyager 1 entered this new ...
- Mysterious Dimming of Tabby's Star May Be Caused by DustOne of the most mysterious stellar objects may be revealing some of its secrets at last. Called KIC 8462852, also known as Boyajian's Star, or Tabby's Star, the object has experienced unusual dips in brightness -- NASA's Kepler space telescope even observed dimming of up to 20 percent over a matter of days. In addition, the star has had much ...
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