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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 uses mathematics, physics, and chemistry to try and explain their origin and evolution.Objects of interest include planets, moons, stars, nebulae, galaxies, and comets.Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic ...
What is Astronomy? Definition & History | Space
Astronomy is the study of the sun, moon, stars, planets and other objects and phenomena in space. It has a long, rich history.
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
Astronomy - sciencedaily.com
Astronomy is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (such as the cosmic background ...
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 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 -- ScienceDaily
Aug. 15, 2019 — A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion years ago, could explain surprising readings from NASA's ...
Astronomy Picture of the Day Archive
astronomy picture of the day dated archive listing