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- Astronomy - Wikipedia
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets
- Astronomy Magazine: Space News, Observing, Planets, Galaxies
Astronomy com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA
- Astronomy | Definition, History, Discoveries, Facts | Britannica
Astronomy is the study of objects and phenomena beyond Earth, whereas cosmology is a branch of astronomy that studies the origin of the universe and how it has evolved For example, the big bang, the origin of the chemical elements, and the cosmic microwave background are all subjects of cosmology
- SDAA – San Diego Astronomy Association
Topic: Zwicky, Rubin, and Friends – new tools and new questions for time-domain astronomy Speaker: Steve Murray, SDAA Member and NASA Solar System Ambassador Time Domain astronomy is the study of how astronomical objects change with time, from seconds to decades
- Welcome to Palomar Observatory - Caltech Astro Outreach
Palomar Observatory near San Diego, California, is a center of astronomical research owned and operated by Caltech The Observatory is home to three active research telescopes: the 200-inch (5 1-meter) Hale Telescope, the 48-inch (1 2-meter) Samuel Oschin Telescope, and the 60-inch (1 5-meter) telescope
- Astronomy: Everything you need to know | Space
Astronomy is one of the oldest scientific disciplines Explore what it is and how it's shaped our understanding of the world around us in our ultimate guide
- Astronomy for Beginners | Night Sky Facts, FAQs Resources
The best guide to astronomy for beginners is the night sky All you really need to do to get started is look up — preferably at night! You'll find an amazing treasure chest of astronomical wonders, even if you don't have a telescope
- What is Astronomy? - AMNH
Astronomy is the study of everything in the universe beyond Earth’s atmosphere That includes objects we can see with our naked eyes, like the Sun, the Moon, the planets, and the stars It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles
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