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Astronomy - Official Site
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
Astronomy Picture of the Day
Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
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 - 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 | 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, ...
Introduction to Astronomy: Crash Course Astronomy #1
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy ...
Astronomy for Kids - Official Site
Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.
Astronomy Picture of the Day Archive
astronomy picture of the day dated archive listing
Astronomy Now – The UK's biggest & best stargazing magazine
The LIGO and VIRGO collaboration has announced the detection of gravitational waves from four previously unseen black hole mergers, including one that happened nine billion years ago
Astronomy and Outer Space Games - Astronomy for Kids
Play exciting astronomy games developed for children. These interactive games range from educational, to just plain fun. If you would like to select a specific astronomy adventure, you can use the menu on the left side of your screen, or select from the activities listed below.