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Gargantuan Black Hole Baffles Scientists
A hunt for supermassive black holes reveals a monstrous one at the heart of galaxy NGC 1277, which may...
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Enormous Gas Filament Connects Galaxy Clusters
For the first time, ESA’s Planck space telescope has detected a bridge of hot gas connecting a pair of...
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Star Formation Sputtering Out Across the Universe
The rate of star formation in the universe has dropped to just 3% of its long-ago peak, and there’s...
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First Stars’ Light Seen Through Extragalactic Fog
Light from the very first stars in the universe has been measured – and there is less of it...
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NASA’s Fermi Helps Calculate Number of Stars in Universe
Astronomers have measured the background light from all the stars in the cosmos and inferred the number of stars...
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Superbright Star Explosion Is Most Distant Known
A newly spotted ultra-bright star explosion burst onto the scene just 1.5 billion years after the big bang, making...
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Mystery Glow of Dark Matter Halos Fueled by Extragalactic Stars
Stars ripped from their home galaxies as they collide with other galaxies can get slung into giant invisible cocoons...
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1 Picture, 9,000 Megapixels, 84 Million Stars
The center of our galaxy, as seen by the powerful Visible and Infrared Survey Telescope for Astronomy (VISTA) instrument...
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A Surprising Trend in Galaxy Evolution
NASA astronomers have discovered a stunning trend in galaxy evolution, according to a report from the space agency. The...
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Apollo Rocks Analysis: Solar Wind Made Moon Water
Analyzing grains of soil collected from three Apollo lunar missions, geochemists have figured out that the hydrogen in trace...