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NASA Satellite Discovers First Nearby Super-Earth, And it is 31 Light Years Away. That Could Have Life - smarttips.me

NASA Satellite Discovers First Nearby Super-Earth, And it is 31 Light Years Away. That Could Have Life

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NASA Satellite Discovered an exoplanet – called GJ 357 d - is about 31 light-years away from our solar system. The planet orbits a star named GJ 357. NASA said in an announcement that the planet appears to orbit within its star's "Habitable Zone".

Scientists have characterised the first potentially habitable world outside our own solar system located about 31 light-years away. The super-Earth planet — named GJ 357 d — was discovered in early 2019 owing to NASA's Transiting Exoplanet Survey Satellite (TESS), a mission designed to comb the heavens for exoplanets, according to the research published in the Astrophysical Journal Letters.

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That planet was GJ 357 b, a so-called "hot Earth" about 22 per cent larger than Earth, according to the NASA Goddard Space Flight Center, which guides TESS. Follow-up observations from the ground led to the discovery of two more exoplanetary siblings: GJ 357 c and GJ 357 d.

The international team of scientists collected Earth-based telescopic data going back two decades -- to reveal the newly found exoplanets' tiny gravitational tugs on its host star, according to NASA.
Exoplanet GJ 357 c sizzles at 127 degrees Celsius and has at least 3.4 times Earth's mass


NASA Satellite Discovers First Nearby Super-Earth, And it is 31 Light Years Away


Follow-up observations from the ground led to the discovery of two more exoplanetary siblings: GJ 357 c and GJ 357 d. The international team of scientists collected Earth-based telescopic data going back two decades — to reveal the newly found exoplanets’ tiny gravitational tugs on its host star, according to NASA.


Exoplanet GJ 357 c sizzles at 127 degrees Celsius and has at least 3.4 times Earth’s mass. However, the system’s outermost known sibling planet — GJ 357 d, a super-Earth — could provide Earth-like conditions and orbits the dwarf star every 55.7 days at a distance about one-fifth of Earth’s distance from the sun. It is not yet known if this planet transits its sun.

NASA Satellite Discovers 'First Nearby Super-Earth'

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