Within our Solar System, any planet or moon with an atmosphere also has clouds. Venus's thick clouds are composed of sulfur dioxide. Mars has high, thin clouds of water ice. Both Jupiter and Saturn have an outer cloud deck composed of ammonia clouds, an intermediate deck of ammonium hydrosulfide clouds and an inner deck of water clouds. Saturn's moon Titan has clouds believed to be composed largely of methane. The Cassini–Huygens Saturn mission uncovered evidence of a fluid cycle on Titan, including lakes near the poles and fluvial channels on the surface of the moon. Uranus and Neptune have cloudy atmospheres dominated by water vapor and methane gas.
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Other articles related to "extraterrestrial, extraterrestrials":
... In May 2005 he appeared on a National Geographic Channel special titled Extraterrestrial ... and baby babble in an attempt to make predictions about extraterrestrial communications ... species on earth, we could get a good indication of how advanced an extraterrestrial signal is ...
... Carter claimed to be interested in the subject for a while, citing the possibility of extraterrestrial involvement in great extinctions that had happened millions of years ago ... The scientific basis for extraterrestrials pursued the writers to help Fox Mulder (David Duchovny) and Dana Scully's (Gillian Anderson) beliefs come together, which was furthered in ... The extraterrestrial writing on the artifacts was based on the Kecksburg Incident, where an extraterrestrial object appeared in a small town in December 1965 ...
... Lovecraft and Extraterrestrial Pop Culture is a 2005 book by Jason Colavito, a contributor to Skeptic magazine, and published by Prometheus Books ... of Lovecraft as well as the wider "extraterrestrial pop culture" (such as Stargate SG-1) ...
Extraterrestrial may refer to any object or being beyond (extra-) the planet Earth (terrestrial). It is derived from the Latin Root extra ("outside", "outwards") and terrestris ("earthly", "of or relating to the Earth").
It may also refer to:
- Extraterrestrial life, in scientific context, hypothetical life that exists outside Earth
- Extraterrestrials in fiction
- Extraterrestrial (film), 2012 film by Nacho Vigalondo
- Extraterrestrial (TV program), a program on the National Geographic Channel
- Outer space, the location of things that are "outside Earth"
- E.T. the Extra-Terrestrial, 1982 film by Steven Spielberg
- E.T. (song), song by Katy Perry
... December 28, 2012 (2012-12-28) Researchers discuss how extraterrestrials might have hidden evidence of their visits 503 ... "Alien Power Plants" January 4, 2013 (2013-01-04 ...