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单词 Space astronomy
释义

Space astronomy

英语百科

Astronomy

A star-forming region in the Large Magellanic Cloud, an irregular galaxy.
A giant Hubble mosaic of the Crab Nebula, a supernova remnant
19th century Sydney Observatory, Australia (1873) [3]
19th century Quito Astronomical Observatory is located 12 minutes south of the Equator in Quito, Ecuador.[4]

Astronomy, a natural science, is the study of celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae) and processes (such as supernovae explosions, gamma ray bursts, and cosmic microwave background radiation), the physics, chemistry, and evolution of such objects and processes, and more generally all phenomena that originate outside the atmosphere of Earth. A related but distinct subject, physical cosmology, is concerned with studying the Universe as a whole.

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