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This is a list of the coolest exoplanets known, specifically those with temperatures lower than −75 °C (198 K). Planets from the Solar System were also included for comparison purposes. Discovered in 2006, OGLE-2005-BLG-390Lb is the coldest known exoplanet, and was nicknamed "Hoth" by NASA in reference to the planet from the Star Wars ...
The Boomerang Nebula is a protoplanetary nebula [2] located 5,000 light-years from Earth in the constellation Centaurus. It is also known as the Bow Tie Nebula and catalogued as LEDA 3074547. [3] The nebula's temperature is measured at 1 K (−272.15 °C; −457.87 °F) making it the coolest natural place currently known in the Universe. [4] [5 ...
The lowest temperature recorded in Uranus's tropopause is 49 K (−224 °C), making Uranus the coldest planet in the Solar System, colder than Neptune. [ 22 ] [ 23 ] Another hypothesis states that when Uranus was "knocked over" by the supermassive impactor which caused its extreme axial tilt, the event also caused it to expel most of its ...
Satellite measurements of the surface temperature of Antarctica, taken between 1982 and 2013, found a coldest temperature of −93.2 °C (−135.8 °F) on 10 August 2010, at Although this is not comparable to an air temperature, it is believed that the air temperature at this location would have been lower than the official record lowest air ...
The Boomerang Nebula is the coldest known natural location in the universe, with a temperature that is estimated at 1 K (−272.15 °C, −457.87 °F). [24] The Dwarf Planet Haumea is one of the coldest known objects in our solar system. With a Temperature of -401 degrees Fahrenheit or -241 degrees Celsius [25]
This is a list of coolest stars and brown dwarfs discovered, arranged by decreasing temperature. The stars with temperatures lower than 2,000 K are included.
Space.com said Hoth most resembled the extrasolar planet OGLE-2005-BLG-390Lb, "With a surface temperature of −364 degrees Fahrenheit (−220 degrees Celsius), it is nearly as frigid as Pluto." [ 5 ] Bruce Betts of The Planetary Society said the asteroid belt near Hoth meant that the planet would have difficulty staying in place.
Some astronomers have speculated that it may have a rocky core like Earth, with a thin atmosphere. Its distance from the star, and the star's relatively low temperature, means that the planet's likely surface temperature is around 50 K (−220 °C; −370 °F), making it one of the coldest known.