Tag Archives: Earth

Astronomers confirm Earth-size exoplanet

Astronomers have confirmed the existence of Proxima b, an Earth-size exoplanet orbiting the closest star to our sun. The European Southern Observatory’s High Accuracy Radial velocity Planet Searcher (HARPS) detected the planet in 2016. The Very Large Telescope based in Chile has a new and more powerful spectrograph named ESPRESSO, …

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