US retires Kepler telescope | Current Affairs, Current Affairs 2018

US retires Kepler telescope

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US has decided to retire the Kepler space telescope as it has run out of fuel.

The telescope will be retired after a 9-1/2-year mission in which it detected thousands of planets beyond our solar system and boosted the search for worlds that might harbour alien life. Currently orbiting the sun 156 million km from the earth, the spacecraft will drift further from our planet when mission engineers turn off its radio transmitters. The telescope laid bare the diversity of planets that reside in our Milky Way galaxy, with findings indicating that distant star systems are populated with billions of planets, and even helped pinpoint the first moon known outside our solar system.

The Kepler telescope discovered more than 2,600 of the roughly 3,800 exoplanets — the term for planets outside our solar system — that have been documented in the past two decades. The telescope has now run out of the fuel needed for further operations.

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