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NASA's Chandra X-ray Observatory

X-rays Reveal Temperament of Possible Planet-hosting Stars

6 Sep 2017, 17:00 UTC
X-rays Reveal Temperament of Possible Planet-hosting Stars

A new study using data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton suggests X-rays emitted by a planet's host star may provide critical clues to just how hospitable a star system could be. A team of researchers looked at 24 stars similar to the Sun, each at least one billion years old, and how their X-ray brightness changed over time.

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