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Origins of ‘Mile Markers’ for Expansion of Universe
A study using a unique new instrument on the world’s largest optical telescope has revealed the likely origins of...
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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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Is the Strange Signal at Our Galaxy’s Center Dark Matter?
Are there dark doings near the center of the Milky Way? That may be so when it comes to...
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Farthest Known Galaxy in the Universe Discovered
A new celestial wonder has stolen the title of most distant object ever seen in the universe, astronomers report....
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Mars Radiation Fine for Humans, Curiosity Finds
Initial readings of cosmic ray radiation on Mars suggest it's about the same as on the International Space Station....
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Rogue Planet Without a Home Star May Roam Nearby Heavens
Astronomers have discovered what they believe to be a rogue planet floating through space without a star. The super-Jupiter,...
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Dark Energy, Deceleration and the Universe’s Roller Coaster Ride
For the past five billion years, the expansion of the Universe has been speeding up, powered by the mysterious...
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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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New Theory on Formation of Solar System’s First Stuff
A new view of the solar system’s early days proposes that the first two kinds of solid materials —...
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Asteroid Belts Could Show Us Where Intelligent Life Is Hiding
If we want to find intelligent life elsewhere in the universe, it might be wise to look for stars...