Here are some interesting facts about this newly discovered planet.
Named Proxima b, the planet is in a "temperate" zone compatible with the presence of liquid water -- a key ingredient for life.
Prathmesh Kher/Rediff.com recalls how a planetary mission became interstellar in scope with the addition of a simple gold-plated disk.
The structures appear to be 'lumps' in the thin gas that lies between the stars in our galaxy, researchers said.
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