Nov 14, 2025 · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the …

Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry to explain their origin and their overall evolution.

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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 .

Jul 25, 2023 · 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.

Nov 19, 2025 · Astronomy coverage from Scientific American, featuring news and articles about advances in the field.

May 6, 2025 · Learn the basics of astronomy and how it helps scientists understand everything from planets and moons to galaxies and the structure of the universe.

2 days ago · Explore the universe with Sky & Telescope - your ultimate source for stargazing, celestial events, and the latest astronomy news.

Oct 31, 2025 · https://sorae.info/astronomy/20251027-eso-577-24.html ダークエネルギーカメラが観測した“ケンタウルス座”の銀河団「Abell 3754」＜sorae＞