Astronomy Magazine - Interactive Star Charts, Planets ...
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
Astronomy - Wikipedia
Astronomy (from Greek: ἀστρονομία) is a natural science that studies celestial objects and phenomena.It applies mathematics, physics, and chemistry in an effort to explain the origin of those objects and phenomena and their evolution.Objects of interest include planets, moons, stars, nebulae, galaxies, and comets; the phenomena also includes supernova explosions, gamma ray bursts ...
Astronomy News - Space Science - Articles and Images
Read the latest news and articles about astronomy and space science. Plus, amazing photos of the night sky and dramatic imagery of cosmic phenomena.
Astronomy | Define Astronomy at Dictionary.com
The scientific study of the universe and the objects in it, including stars, planets, nebulae, and galaxies. Astronomy deals with the position, size, motion, composition, energy, and evolution of celestial objects.
Astronomy | Definition of Astronomy by Merriam-Webster
Astronomy definition is - the study of objects and matter outside the earth's atmosphere and of their physical and chemical properties. The Difference Between astronomy and astrology