Asteroid

Cosma / Communication / Knowledge / Realm / Physical / Universe / Solar System / Small Body / Asteroid
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Introduction1

American Museum of Natural History (YouTube Channel)
American Museum of Natural History (Official Site)

Dictionary

asteroid : any of the small rocky celestial bodies — Webster   See also   OneLook

Encyclopedia

Asteroids are a class of Small Solar System Bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones. These terms have historically been applied to any astronomical object orbiting the Sun that did not show the disk of a planet and was not observed to have the characteristics of an active comet, but as small objects in the outer Solar System were discovered, their volatile-based surfaces were found to more closely resemble comets, and so were often distinguished from traditional asteroids. Thus the term asteroid has come increasingly to refer specifically to the small rocky–icy and metallic bodies of the inner Solar System out to the orbit of Jupiter. They are grouped with the outer bodies—centaurs, Neptune trojans, and trans-Neptunian objects—as minor planets, which is the term preferred in astronomical circles. — Wikipedia

Asteroid Category (Wikipedia)
Asteroid (Encyclopædia Britannica)

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Innovation

Science

Small Bodies of the Solar System (NASA Science)
Solar System Exploration: Asteroids, Comets & Meteors (NASA)
Asteroid and Comet Watch (NASA)

Asteroids, Comets and Other Small Worlds (Planetary Society)
Comets, Meteors & Asteroids (Ask an Astronomer, Cornell University)

Solar System Exploration: Asteroids (NASA Science)
Asteroids (NASA Lunary and Planetary Science)

Asteroids (Eric Weisstein’s World of Astronomy, Wolfram Research)
Asteroid (WolframAlpha)

Commerce

Entrepreneurship

Asteroid Campaigns (Kickstarter)
Asteroid Campaigns (Indiegogo)

Product

Asteroid Gifts (Zazzle)

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Preservation

History

The Discovery of Asteroids (ESA)

Library

Melvil Decimal System # 523.44 Asteroids (Library Thing)
Library of Congress Subject Heading: Asteroid (Library Thing)

Library of Congress # QB651 Asteroids (UPenn Online Books)

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

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Participation

Education

What is an Asteroid? (Space Place, NASA)
Asteroids (Cosmos4Kids)
Asteroids (Space Scoop)

More to Explore: Asteroids, Comets and Meteorites (NASA)
NASA Learning Objects: Small Body Data-Base Search Engine (MERLOT)
Asteroids, Comets, and Meteorites (Lunar & Planetary Institute)
Asteroids and Comets (Science Trek)

MERLOT: Multimedia Educational Resource for Learning and Online Teaching
OER Commons: Open Educational Resources

Community

Organization

Minor Planet Center (International Astronomical Union)

News

Asteroid (Science Daily)
Asteroid (Phys.org)
Asteroid (NPR Archives)

Book

Asteroid (ISBNdb)

Government

Document

Asteroid (USA.gov)

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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.