A starburst galaxy, ablaze with stars in the process of forming, is devouring surrounding dwarf galaxies in a stunning new image from the Gemini North twin telescopes. Bright red and pink strands of gas and dust as well as bright white and blue stars seen in the image compose the galaxy NCG 4449, also known […]
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Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun and exhibits half the temperature of our star. This new extrasolar planet, or exoplanet, is named SPECULOOS-3 and represents just the second […]
Astronomers have used the James Webb Space Telescope (JWST) and an effect predicted by Albert Einstein over 100 years ago to discover that small galaxies in the early cosmos packed a massive punch, shaping the entire universe when it was less than 1 billion years old. The international team found the galaxies, which resemble dwarf […]
By Will Dunham WASHINGTON (Reuters) – A slowly cooling stellar ember called a white dwarf with a scar on its face is providing new insight into the behavior of certain “cannibal” stars at the end of their life cycle. Using the European Southern Observatory’s Chile-based Very Large Telescope, researchers studied a white dwarf located about […]
Two dwarf planets within our solar system, named Eris and Makemake, might exhibit enough geothermal activity to maintain oceans of liquid water within, according to modeling that describes new observations made with the James Webb Space Telescope. “We see some interesting signs of hot times in cool places,” said Christopher Glein, a planetary geochemist from […]