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Scientists Discover The Largest Planet Outside Our Solar System, Kepler-1647 B, That Orbits Two Suns!
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Astronomers have discovered the largest planet outside our solar system orbiting two stars, at a distance that would make it potentially habitable for humans.
Reuters
Kepler-1647 b is further from its two stars than any other known circumbinary planet, placing it in an orbit that "puts the planet within the so-called habitable zone," a statement from San Diego State University (SDSU) said.
bccl
At 4.4 billion years old, Kepler-1647 b is roughly the same age as the Earth. Its stars are also similar to the Sun, one slightly larger and the other slightly smaller, according to a research paper set to appear in The Astrophysical Journal.
Located near the Cygnus constellation, the planet lies some 3,700 light-years away from the Earth (a light-year is the equivalent of around 5.9 billion miles, or 9.5 billion kilometers).
Researchers are able to detect planets outside the solar system - called exoplanets - when they pass in front of their stars, causing "slight dips in brightness," the researchers said.
bccl
Researchers who detect potential exoplanets use advanced computer software to verify the discoveries, a typically long and arduous process.
Astronomer Laurance Doyle of the SETI Institute - whose mission is to "search for extraterrestrial intelligence"- first noticed Kepler-1647 b's transit in 2011.
Scientists required several years to collect and analyse additional data before they could confirm the planet's discovery.
Also Read: NASA Discovers 1,284 Planets Outside Solar System, The Highest So Far
Reuters
The discovery was made using the Kepler space telescope.
The gaseous planet - dubbed Kepler-1647 b is the size of Jupiter and has a wide orbit, revolving around its two stars in 1,107 days, or around three years.The discovery is the eleventh of its kind since 2005.
Planets that orbit two stars- known as circumbinary planets - are sometimes called "Tatooines," after the similar fictional planet in the movie Star Wars where Luke Skywalker was raised.Kepler-1647 b is further from its two stars than any other known circumbinary planet, placing it in an orbit that "puts the planet within the so-called habitable zone," a statement from San Diego State University (SDSU) said.
In theory, that would make the planet neither too hot nor too cold for human habitation, and water could exist in liquid form.
However, Kepler-1647 b is gaseous like Jupiter, making the possibility life could exist there unlikely. Still, any large moons orbiting the planet could possibly host life.bccl
Located near the Cygnus constellation, the planet lies some 3,700 light-years away from the Earth (a light-year is the equivalent of around 5.9 billion miles, or 9.5 billion kilometers).
Researchers are able to detect planets outside the solar system - called exoplanets - when they pass in front of their stars, causing "slight dips in brightness," the researchers said.
"But finding circumbinary planets is much harder than finding planets around single stars. The transits are not regularly spaced in time and they can vary in duration and even depth," William Welsh, an SDSU astronomer, said.
bccl
Researchers who detect potential exoplanets use advanced computer software to verify the discoveries, a typically long and arduous process.
Astronomer Laurance Doyle of the SETI Institute - whose mission is to "search for extraterrestrial intelligence"- first noticed Kepler-1647 b's transit in 2011.
Scientists required several years to collect and analyse additional data before they could confirm the planet's discovery.
Also Read: NASA Discovers 1,284 Planets Outside Solar System, The Highest So Far
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