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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, galaxies, and comets; the phenomena also includes supernova explosions, gamma ray bursts, quasars ...
Astronomy Picture of the Day
A different astronomy and space science related image is featured each day, along with a brief explanation.
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 | Definition & Facts | Britannica.com
Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Until the invention of the telescope and the discovery of the laws of motion and gravity in the 17th century, astronomy was primarily concerned with noting and predicting the positions of the Sun, Moon, and planets, originally for calendrical and astrological purposes and later for navigational uses ...
Astronomy dictionary definition | astronomy defined
The definition of astronomy is the scientific study of matter outside of the atmosphere of the Earth including stars, planets and what they are made of and how they move.
Astronomy for Kids - KidsAstronomy.com
Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.
What is Astronomy? Definition & History
Astronomy is the study of the sun, moon, stars, planets and other objects and phenomena in space. It has a long, rich history.
Astronomy | NASA
NASA uses telescopes to study astronomy.
Sky & Telescope | Astronomy News, Tools & Resources
Sky & Tel covers the latest night-sky events, astronomy news, astrophotography and observing tips. Also browse our video & podcast guides to tonight's sky.