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Astronomers see the astrosphere of a sunlike star for the first time
Finding a bubble of hot gas blown by the stellar wind from a young star gives researchers a peek at what our sun was like when it was young.
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At 2 a.m., an unexpected event led to a surprise planet discovery
Now there are four known planets orbiting the sun-like star Kepler-51 ... SEE ALSO: NASA scientist viewed first Voyager images. What he saw gave him chills. The research was recently published ...
Planet 9 in our solar system? Scientists discover potential planet 5-7 times Earth's size, orbiting Sun every 20,000 years
Astronomers are on the hunt for a mysterious ninth planet, known as Planet Nine, which could change our understanding of the solar system. Is this hidden world real, or just a myth?