Published: Sun, February 18, 2018
Sci-tech | By Carrie Guzman

Scientists have discovered almost 100 new planets outside of our solar system

Scientists have discovered almost 100 new planets outside of our solar system

Cosmologists poring through information accumulated amid Kepler's present broadened mission, known as K2, have spotted 95 more outsider planets, another investigation reports.

That brings the K2 tally to 292, and the total haul over Kepler's entire operational life to almost 2,440-about two-thirds of all the alien worlds ever discovered.

"We started out analysing 275 candidates of which 149 were validated as real exoplanets".

One of the planets discovered by the astronomers was found orbiting a very luminous star dubbed HD 212657.

Hundreds of signals of potential exoplanets were analyzed by Mayo and his colleagues to find out which signals were emitted by the exoplanets and which signals were caused by other sources. However, they were eventually able to confirm the discovery of 95 new exoplanets, ranging in size from smaller than Earth to bigger than Jupiter, and even larger. The scientists, however, discovered a new way to utilise it by changing its field of view periodically.

Kepler finds exoplanets by looking for dips in the light from a star as a planet passes across its face during its orbit. In 2013, four years after its launch, there was a malfunction in Kepler that ended its first mission.

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The dips are indications of exoplanets, which must then be examined more closely in order to confirm their nature.

For a long time, the rocket gazed consistently at around 150,000 stars, searching for little dunks in their shine caused by the entry of planets over their countenances. Around 3,600 exoplanets that range from rocky Earth-sized planets to huge gas giants like Jupiter have been found by various missions.

"The original Kepler mission was our first glimpse into the incredible abundance and diversity of exoplanets in the Galaxy", Mayo said. "Planets around bright stars are important because astronomers can learn a lot about them from ground-based observatories", said Mayo. K2 mission along with other spacecraft and observatories on Earth facilitate by providing a clear picture about the exoplanets in your galaxy as well as its nature and other details.

The latest study follows news in December that the Kepler probe had found an eighth planet in a distant star system called Kepler 90.

The new planet, estimated to be about 30 percent larger than Earth, is 'not a place you'd like to visit, ' said Andrew Vanderburg, astronomer and NASA Sagan Postdoctoral Fellow at The University of Texas, Austin. Most star systems involve blazingly hot and massive gas giants that sit uncomfortably close to their host stars, or binary star systems in which complex gravitational effects make it hard for planets to form. A team of five members at Ball Aerospace, Colorado attempted to revive the spacecraft with an unique solution of using sunlight pressure to obtain a stabilized course for which, the commands were fed onto the system and then transmitted to the Kepler spacecraft in a desperate attempt to revive it before finally bidding goodbye if it doesn't work.

Before the latest AI-guided results, 'Kepler 90 was tied with Trappist-1, with 7 planets each, ' says Jessie Dotson, Kepler project scientist at NASA's Ames Research Center in California's Silicon Valley.

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