Astronomers Confirm 4 Rocky Exoplanets in Earth’s Backyard, Just 6 Light-Years Away
The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...
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4 Tiny Planets Found Orbiting Earth's Closest Solitary Star
Illustration of Barnard's Star as seen from the surface of one of its planets. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/R. Proctor/J. Pollard Just 5.96 light-years from Earth sits ...
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A Series of Cosmic Collisions Gave Saturn 128 'New' Moons
The smashups are thought to have occurred at least 100 million years ago, but the moons they created are new to astronomers.
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Astronomers crack the case of a mysterious deep space radio signal that repeats every 2 hours
Astronomers have traced a starnge blast of radiowaves that repeats every 2 hours back to a dead star white dwarf magnetically ...
Water Existed in the Universe Billions of Years Earlier Than Thought, Astronomers Say
Water was present just a couple hundred million years after the Big Bang, according to a new study, shaking up the timeline ...
ZME Science on MSN10 天
The First Water Formed Just 200 Million Years After the Big Bang From Exploding Stars
“Before the first stars exploded, there was no water in the Universe because there was no oxygen,” said Daniel Whalen, a ...