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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 in order to 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 ...
astronomy | Definition & Facts | Britannica
Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the application of physical and chemical knowledge to an understanding of the nature of celestial objects.
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 ...
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 | NASA
NASA uses telescopes to study astronomy.
Astronomy Picture of the Day
A different astronomy and space science related image is featured each day, along with a brief explanation.
Astronomy News -- ScienceDaily
Jan. 6, 2020 — Astronomers have pinpointed the location of a repeating fast radio burst. The breakthrough is only the second time that scientists have determined the precise location of a ...