Uranus

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Introduction1

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Home Run Pictures, working with NASA scientists, visualized engineering concepts for a space station that would dive into the upper atmosphere of the planet Uranus.

Dictionary

Uranus : the planet seventh in order from the sun — Webster

OneLook, Free Dictionary, Wiktionary

Encyclopedia

Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn. For this reason, scientists often classify Uranus and Neptune as “ice giants” to distinguish them from the gas giants. Uranus’s atmosphere is similar to Jupiter’s and Saturn’s in its primary composition of hydrogen and helium, but it contains more “ices” such as water, ammonia, and methane, along with traces of other hydrocarbons. It is the coldest planetary atmosphere in the Solar System, with a minimum temperature of 49 K (−224 °C; −371 °F), and has a complex, layered cloud structure with water thought to make up the lowest clouds and methane the uppermost layer of clouds. The interior of Uranus is mainly composed of ices and rock.

Uranus is the only planet whose name is derived from a figure from Greek mythology, from the Latinised version of the Greek god of the sky Ouranos. Like the other giant planets, Uranus has a ring system, a magnetosphere, and numerous moons. The Uranian system has a unique configuration among those of the planets because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit. Its north and south poles, therefore, lie where most other planets have their equators. In 1986, images from Voyager 2 showed Uranus as an almost featureless planet in visible light, without the cloud bands or storms associated with the other giant planets. Observations from Earth have shown seasonal change and increased weather activity as Uranus approached its equinox in 2007. Wind speeds can reach 250 metres per second (900 km/h; 560 mph). — Wikipedia

Uranus (Eric Weisstein’s World of Astronomy, Wolfram Research)
Encyclopædia Britannica

Portal

Solar System Exploration: Uranus (NASA)
Uranus Portal (Wikipedia)

Search

WolframAlpha

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Innovation

Science

Cataclysmic collision shaped Uranus’ evolution (Durham University)
Consequences of Giant Impacts on Early Uranus for Rotation, Internal Structure, Debris, and Atmospheric Erosion (J. A. Kegerreis Et al., The Astrophysical Journal)

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Preservation

History

Voyager Mission (NASA)
Voyager Program (Wikipedia)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

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Participation

Education

All About Uranus (Space Place, NASA)
Uranus (Cosmos4Kids)

Course

Crash Course Astronomy (YouTube)

OER Commons: Open Educational Resources

Community

News

Science Daily, Phys.org

Book

ISBNdb

Government

Uranus Overview (NASA)

Document

USA.gov

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Expression

Fun

Music

Song Lyrics

Poem

OEDILF: The Omnificent English Dictionary In Limerick Form

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Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Hubble takes a grand tour of the solar system
    on November 18, 2021 at 9:24 pm

    The NASA/ESA Hubble Space Telescope has completed its annual grand tour of the outer Solar System. This is the realm of the giant planets—Jupiter, Saturn, Uranus, and Neptune—extending as far as 30 times the distance between Earth and the Sun. Unlike the rocky terrestrial planets like Earth and Mars that huddle close to the Sun's warmth, these far-flung worlds are mostly composed of chilly gaseous soups of hydrogen, helium, ammonia, methane, and other trace gases around a packed, intensely […]

  • NASA extends Hubble operations contract, provides...
    on November 17, 2021 at 3:06 pm

    The Hubble Space Telescope, a project of international cooperation between NASA and ESA (European Space Agency), has fundamentally changed the way we view our universe time and again. Now in its 32nd year in space, Hubble has delivered unprecedented insights about the cosmos, from the most distant galaxy observed so far to familiar planets in our neighborhood, including Jupiter, Saturn, Uranus, and Neptune.

  • Proposed Centaur mission could catch comets in...
    on October 29, 2021 at 1:40 pm

    From Mercury to the depths of the distant Kuiper Belt, there aren't many unexplored corners of the solar system out there. One class of object, however, remains to be visited: the transitional Centaurs out beyond the orbit of Jupiter. Now, a new study from the University of Chicago recently accepted in The Planetary Science Journal looks at the feasibility of sending a mission by mid-century to intercept, follow and watch a Centaur asteroid as it evolves into a mature inner solar system comet.

  • Scientists find strange black ​'superionic ice'...
    on October 28, 2021 at 6:00 pm

    Using the Advanced Photon Source, scientists have recreated the structure of ice formed at the center of planets like Neptune and Uranus.

  • Did Titan give Saturn its tilt?
    on October 18, 2021 at 2:16 pm

    Giant planets like Saturn don't just tilt over all by themselves; something has to knock them over, or tug on them gravitationally, to push them off axis. Scientists expect that when new planets are born, they form with almost no tilt at all, lining up like spinning tops with their equators level to the orbital plane in which they circle around their sun.

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Related

Here are links to pages about closely related subjects.

Knowledge Realm

Physical

“Fundamentals”
Law (Constant) Relativity
Force Gravity, Electromagnetism (Light, Color)
Matter (Microscope) Molecule, Atom (Periodic Table), Particle

“Space”
Universe (Astronomical Instrument)
Galaxy Milky Way, Andromeda
Planetary System Star, Brown Dwarf, Planet, Moon

Our Neighborhood
Solar System Sun
Terrestrial Planet Mercury, Venus, Earth (Moon), Mars
Asteroid Belt Ceres, Vesta
Jovian Planet Jupiter, Saturn, Uranus, Neptune
Trans-Neptunian Object
Kuiper Belt Pluto, Haumea, Makemake
Scattered Disc Eris, Sedna, Planet X
Oort Cloud Etc. Scholz’s Star
Small Body Comet, Centaur, Asteroid

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Notes

1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.