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Gliese 436 b ,The Strangest Exoplanet Ever -The Neptune-sized planet orbits a cooler, less luminous red-dwarf star (dubbed Gliese 436), completing one full orbit in just 2 days and 15.5 hours. - Credit: Dr. Jason Wright

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from Muy Interesante Mexico

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Nombre: Gliese 436 b, o GJ 436 b Estrella/Constelación: Gliese 436 o GJ 436/Leo Distancia de la Tierra: 33 años luz Masa del exoplaneta: 22 Tierras (0.07 veces Júpiter) Distancia de su estrella anfitriona: .029 UA Año descubierto: 2004

Gliese 436 We discovered the first Neptune-size planet, Gliese 436 b, in 2004. We were delighted to find a planet of minimum mass 22 times that of Earth. At the time, this seemed to be an incredibly small planet. I personally spent two years developing the statistic basis for securing this discovery

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Frost and Fire - Gliese 436 b (Exoplanet) - In the constellation of Leo 33.1 light years away, a Neptune-sized planet orbits a red dwarf star at a distance of 4.3 million kilometres—15 times closer than Mercury is to our sun. It’s no surprise that the planet, Gliese 436 b, has an incredibly hot surface temperature of 439 degrees Celsius, but it’s definitely a surprise that the planet is also covered in ice. Since the boiling point of water is 100 degrees Celsuis,

GJ436interior - Possible interior structure of Gliese 436 b - Wikipedia, the free encyclopedia

PIA19345-HeliumAtmosphereFormation-20150611 - Gliese 436 b - Wikipedia, the free encyclopedia