Jan 27

Kepler finds galaxy’s oldest solar system

The Kepler Space Telescope found the oldest solar system in the galaxy. While digging through backlogged data from the Kepler telescope, scientists found Kepler-444, an 11.2 billion year-old star in the Milky Way orbited by at least five Earth-sized planets.

Jan 07

It turns out, like us, stars slow down in their old age. That observation is the key to a new method astronomers are using to accurately tell the age of cool stars — stars that match the size of, or…

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