Planet hunt on hold: Nasa’s Kepler AWOL, goes into emergency mode | world | Hindustan Times
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Planet hunt on hold: Nasa’s Kepler AWOL, goes into emergency mode

world Updated: Apr 10, 2016 14:02 IST

The artistic concept shows Nasa's planet-hunting Kepler spacecraft.(Picture courtesy: Nasa)

In a bad news for astronomers searching for extraterrestrial life in deep space, Nasa’s planet-hunting spacecraft Kepler has gone into an emergency mode 75 million miles from the Earth.

The last regular contact with Kepler probe was on April 4, technology website The Verge reported, as Nasa engineers tried to manoeuvre the spacecraft to the centre of the Milky Way for a new task.

Unable to reach the probe this weekend, Nasa has declared a mission emergency for Kepler that has switched itself into emergency mode.

The team still does not know what prompted Kepler to go into the emergency mode.

A team of Nasa engineers was working to fix the anomaly as communications signals take up to 13 minutes -- travelling at the speed of light -- to and from the Kepler spacecraft.

Kepler mission had confirmed the first near-Earth-sized planet in the “habitable zone” around a Sun-like star.

Kepler spotted nearly 5,000 exoplanets as part of its primary mission.

In July 2012, the probe experienced a failure in one of its four gyroscopic reaction wheels. It lost its second wheel in May 2013.

But in 2014, Nasa engineers were able to extend Kepler’s life into what is called the K2 mission.

Since then, K2 has been spying on supernovas and studying planets orbiting Earth’s star.

In 2014, it spent about 70 days observing Neptune, studying the ice giant’s extremely windy weather and spotting planets that are wandering through the galaxy without their own stars.

Among its notable discoveries, K2 has spotted strong evidence of a tiny, rocky object being torn apart as it spirals around a white dwarf star and discovered a new planet orbiting two stars and located within its host stars’ “habitable zone”, the area around the stars in which life could potentially exist.

It also collected data to reveal that our solar system was born 4.6 billion years ago and only eight percent of the potentially habitable planets that could form existed.