10 Most Bizarre Planets You’ve Probably Never Heard Of

PSR J1719-1438 b
The Diamond Planet

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PSR J1719-1438 b is a planet made of pure diamond!

A large, carbon-based planet with a diameter roughly five times that of Earth, PSR J1719-1438 b can be found about 4,000 light-years away from our solar system. Due to immense pressure caused by the planet’s gravitational pull, the carbon has been condensed, forming a gigantic diamond.

This exoplanet orbits a millisecond pulsar named PSR J1719-1438. Astronomers believe that the pulsar was once a massive star that became a stellar corpse in a supernova. These rare millisecond pulsars are supposedly formed by eating the material from a companion star.

In this case, the companion star was probably a white dwarf, which is what our Sun will become when it dies. A white dwarf is a remnant that has no more nuclear fuel.

Here, the millisecond pulsar probably ate the material from its companion white dwarf. With only 0.1 percent of its mass left, the white dwarf then formed an exotic crystalline companion to the pulsar—the diamond planet.

Kepler-16b
The Real-Life Tatooine

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Kepler-16b is essentially the real-life equivalent of the Star Wars planet Tatooine. This is because Kepler-16b is one of the only exoplanets ever found that orbits a binary star system.

Kepler-16b has the mass of about 105 Earths and is 8.5 times the radius of our world. This exoplanet has an atmosphere comprised of hydrogen, methane, and small amounts of helium. Approximately 200 light-years away from our solar system, Kepler-16b completes an orbit around its two stars in 627 of our Earth years.

Although it may look like Tatooine, Kepler-16b cannot support life. So don’t expect to find any droids there!

Kepler-10b
The Scorched World

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Kepler-10b is the smallest exoplanet discovered to date, and we believe that the surface is covered by oceans of lava. About 560 light-years away from Earth, Kepler-10b was the first rocky planet found outside our solar system, marking mankind’s first step toward a future of space exploration.

The surface reaches temperatures as high as 1,400 degrees Celsius (2,500 °F). As a result, rocks on the surface melt, pooling in large areas and causing huge lava oceans scattered across the exoplanet’s small surface. Due to its high density, it’s believed that Kepler-10b contains a high amount of iron, which would cause the lava to appear a brighter shade of red.

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