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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 ...
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.
TRAPPIST-1 is a cool red dwarf star [c] with seven known exoplanets.It lies in the constellation Aquarius about 40.66 light-years away from Earth, and has a surface temperature of about 2,566 K (2,290 °C; 4,160 °F).
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. With Hoth being ...
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 planets Pluto, Neptune, Uranus, Saturn, Jupiter, and Mercury are in retrograde right now. here's what retrograde means and how it will affect your zodiac sign. 6 Planets Are In Retrograde Now ...
Temperature (K) Mass Notes HIP 78530 b: 2,700 ± 100 [29] 23 M J [29] Likely a brown dwarf. GQ Lupi b: 2,650 ± 100 [30] 20 M J [30] [30] Likely a brown dwarf. CT Chamaelontis b: 2,600 ± 250 [31] 17 M J [31] Likely a brown dwarf. DH Tauri b 2,400 ± 100 [32] 11 M J [32] The following well-known planets are listed for the purpose of comparison ...
Five planets are going to be retrograde in the summer of 2024. Here are the dates for Mercury retrograde, Venus retrograde, Saturn retrograde, Neptune retrograde, Pluto retrograde and more.