The most accurate distance measurement yet of ultra-diffuse galaxy (UDG) NGC1052-DF2 (DF2) confirms beyond any doubt that it is lacking in dark matter. The newly measured distance of 22.1 +/-1.2 megaparsecs was obtained by an international team of researchers led by Zili Shen and Pieter van Dokkum of Yale University and Shany Danieli, a NASA Hubble ...
New results from the NASA/ESA Hubble Space Telescope suggest the formation of the first stars and galaxies in the early Universe took place sooner than previously thought. A European team of astronomers has found no evidence of the first generation of stars, known as Population III stars, as far back as when the Universe was ...
Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as “intermediate-mass,” which betrayed its existence by tearing apart a wayward star that passed too close. Weighing in at about 50,000 times the mass of our Sun, the black hole is smaller than the ...
“Super-Puffs” may sound like a new breakfast cereal. But it’s actually the nickname for a unique and rare class of young exoplanets that have the density of cotton candy. Nothing else like them exists in our solar system. New data from NASA’s Hubble Space Telescope have provided the first clues to the chemistry of two of ...
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