en.wikipedia.org/wiki/Astronomy

Astronomy (from Greek: ἀστρονομία) is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry in an ...

www.astronomy.com

Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black ...

www.astronomy.com/news/2019/02/astronomers-find-first-evidence-of-giant-collision-between-exoplanets

1 day ago ... For the first time ever, astronomers think they've discovered an exoplanet that survived a catastrophic collision with another planet.

www.astronomy.com/news

Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You'll also find information on how to observe upcoming ...

www.sciencedaily.com/terms/astronomy.htm

Astronomy is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere ...

www.britannica.com/science/astronomy

Feb 8, 2019 ... Astronomy: Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena.

www.space.com/science-astronomy

Read the latest news and articles about astronomy and space science. Plus, amazing photos of the night sky and dramatic imagery of cosmic phenomena.

www.ted.com/topics/astronomy

A collection of TED Talks (and more) on the topic of Astronomy.

phys.org/space-news/astronomy

Phys.org provides the latest news on astronomy, space, earth science and space exploration.