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An ice planet or icy planet is a type of planet with an icy surface of volatiles such as water, ammonia, and methane. Ice planets consist of a global cryosphere . Under a geophysical definition of planet , the small icy worlds of the Solar System qualify as icy planets.
Lacking well-defined solid surfaces, they are primarily composed of gases and liquids. Their constituent compounds were solids when they were primarily incorporated into the planets during their formation, either directly in the form of ice or trapped in water ice. Today, very little of the water in Uranus and Neptune remains in the form of ice.
Frozen Planet is a 2011 British nature documentary series. It was produced as a co-production between the BBC Natural History Unit , Discovery Channel , Antena 3 Television S.A. , ZDF , Skai tv and The Open University , in association with Discovery Channel Canada . [ 2 ]
This list of exoplanets discovered in 2025 is a list of confirmed exoplanets that were first reported in 2025. For exoplanets detected only by radial velocity , the listed value for mass is a lower limit.
BBC Studios distributes Frozen Planet II worldwide. The company have pre-sold the documentary to various broadcasters including BBC America in North America, ZDF in Germany, France Télévisions in France, Migu Video in China, NHK in Japan, Friday! in Russia, [6] Mediaset in Italy, [7] KBS in South Korea, [8] and the Nine Network in Australia.
OGLE-2005-BLG-390Lb (known sometimes as Hoth by NASA [1]) is a super-Earth ice exoplanet orbiting OGLE-2005-BLG-390L, a star 21,500 ± 3,300 light-years (6,600 ± 1,000 parsecs) from Earth near the center of the Milky Way, making it one of the most distant planets known.
Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find ...
The five components of the climate system all interact. They are the atmosphere, the hydrosphere, the cryosphere, the lithosphere and the biosphere. [1]: 1451 Earth's climate system is a complex system with five interacting components: the atmosphere (air), the hydrosphere (water), the cryosphere (ice and permafrost), the lithosphere (earth's upper rocky layer) and the biosphere (living things).