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Astronomers just discovered a huge planet orbiting two suns

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Bryan White
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A team of astronomers from NASA s Goddard Space Flight Center and San Diego State University has discovered a new exoplanet that orbits around two stars.

At 4.4 billion years old, Kepler-1647b is about the same age of the Earth.

With this strategy, astronomers look for dips in brightness from the host star as a planet transits in front of it in relation to the Earth.

However, Kepler-1647b s orbital period is so long that it transits in front of its star less frequently than other confirmed exoplanets.

It then took several years of analysis to confirm that the dip in brightness noticed in Kepler data was indeed caused by a circumbinary planet.

The transits are not regularly spaced in time and they can vary in duration and even depth.

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