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Science » Space Sciences » Astronomy

Astronomycenter.org

is a collection of Astronomy 101 reviewed digital resources for teachers and students. Topics include asteroids and comets, astrobiology, big bang theory, black holes and pulsars, cosmology, dark energy, dark matter, galaxies, historical astronomy, Milky Way, planetary astronomy, planetary geology, stellar astronomy, telescopes and satellites, terrestrial planets, planet formation, planetary atmospheres, space exploration, stars, and the sun. (National Science Foundation)

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Interesting Fact:

Observations of Ceres, the largest known asteroid, have revealed that the object may be a "mini planet," sharing many characteristics of the rocky, terrestrial planets like Earth. Ceres' mantle, which wraps around the asteroid's core, may even be composed of water ice.
Photo copyright R. Gendler: Image that reveals that the Andromeda Galaxy's (M31's) core is composed of a ring of old, red stars and a newly discovered disk of young, blue stars.

The Andromeda Galaxy


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