Scientists have discovered a new planet similar to Earth

Scientists have discovered a new planet similar to Earth

Scientists have discovered a new planet similar to Earth

A team of Indian scientists, under the guidance of Prof Abhijit Chakraborty of Physical Research Laboratory (PRL), Ahmedabad, has found an exoplanet. This discovery is the first of its type that occurred on the Indian territory, placing the Asian country on the very selective list of the countries that discovered far-distant worlds.

The three Earth-sized planets all have quite short orbits around their sun, with the longest orbit of one of the planets being completed in just 10.1 days.

The indigenously designed spectrograph named PRL Advance Radial-velocity Abu-Sky Search (PARAS) integrated with a 1.2-metre telescope at PRL's Gurushikar Observatory in Mount Abu aided the researchers in finding the exoplanet.

This is the first of its kind spectrograph in India with a resolution of 60,000 which can measure the mass of a planet going around a star.

On the other hand, only a few such accurate and powerful spectrographs exist around the world, the majority of which being in the USA and Europe.

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The scientists found that the host star is about 600 light years away from Earth and the planet goes around the star in 19.5 days. Its mass is about 27 times Earth's and six times that of Earth at radius.

The surface temperature of the planet is around 600C as it is very close to the host star (7 times nearer than Earth-Sun distance). The name of the star is EPIC 211945201 or K2-236 and the planet is EPIC 211945201b or K2-236b.

Researchers at the PRL believes that the discovery of such planets will help them to study the formation of sub-Neptune or sub-Saturn like planets. It's very hard to discover an exoplanet because they are usually billions of times fainter than the stars they orbit.

Astronomers from the University of Oviedo in Spain said that they were able to detect the system, which includes three earth-like planets, writes the Chronicle.info with reference for Today. However, he said, radial velocity observations as made in this case "are not, in general, discovery observations but [a] look at already known planetary systems for a better understanding of their nature".

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