Top 10 Known Largest Exoplanets in The Universe

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Planets in the Universe are countless that always need exploring. There are a lot of undiscovered objects in the Universe that it is not enough an entire life for humans to discover almost half of them. As indicated Stephen Hawking “We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special”. As you know the known largest planet in our Solar System is Jupiter, it is approximately 143,000 kilometers (about 89,000 miles) wide at its equator. Let’s find out more about largest exoplanets in our wonderful Universe. These planets are the largest exoplanets ever discovered and it will probably take a long time until astronomers find a bigger one. Accordingly, we suggest you to enjoy top 10 largest exoplanets in the Universe.

Cancri 55 e

Cancri 55 e has an extremely hot climate that would be a deterrent, and fresh lava flows might be common. It was discovered on 30 August 2004.The planet Cancri 55 e has twice the diameter of the Earth and about 10 times Earth’s mass. A recent density determination for Cancri 55 e show that this exoplanet is not made primarily of oxygen, as are the inner planets in our Solar System, but rather of carbon. Therefore, one reason to visit Cancri 55 e might be to study its core, that this planet’s great internal pressure might be sufficient to make the carbon found there into one huge diamond.


Kepler-1647b (sometimes named Kepler-1647(AB)-b) is a circumbinary exoplanet that orbits the binary star system Kepler-1647, 3,700 light-years (1,100 pc) from Earth in the constellation Cygnus. It was announced on June 13, 2016 in San Diego at a meeting of the American Astronomical Society. It was discovered using the transit method, when it caused the dimming of the primary star, and then again of the secondary star blended with the primary star eclipse. The first transit of the planet was identified in 2012, but at the time, the single event was not enough to rule out contamination, or confirm it as a planet. It was discovered by the analysis of the Kepler light-curve, which showed the planet in transit. The exoplanet is a gas giant, similar in size to Jupiter, and has an orbital period of 1107 days. This planet is occupied the 9th horizon from our top 10 largest exoplanets in the Universe.

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