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 ...
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, observing, telescopes, NASA, Hubble, space missions, stargazing, and more.
Sep 7, 2017 ... Astronomy is the study of the sun, moon, stars, planets and other objects and phenomena in space. It has a long, rich history.
A collection of TED Talks (and more) on the topic of astronomy.
An amateur astronomer accidentally caught an exploding star on camera—and it gets better. He was excited to test his new camera, but he also captured something totally unique. By Mary Beth Griggs · DIY ...
What is Astronomy? Astronomy is the study of the Universe and everything in it, including planets, stars, galaxies, comets, and black holes. It's full of huge distances, gigantic sizes, and long periods of time. It's a BIG subject!
... lion in spring. The constellation Leo dominates the southern sky, with Regulus its brightest star. Published: 22 Apr 2018. Starwatch: the lion in spring · Across the universe Space Rocks celebrates astronomy and music at London's O2. Published: 20 Apr 2018. Space Rocks celebrates astronomy and music at London's O2 ...
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. 2018 April 23. See Explanation. Clicking on the picture will download the highest resolution version available. The Blue Horsehead Nebula in Infrared
A different astronomy and space science related image is featured each day, along with a brief explanation.