Astronomy Science

成千上萬的練習題和條款通過天文科學考試，100％

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Astronomy is the study of the sun, moon, stars, planets, comets, gas, galaxies, gas, dust and other non-Earthly bodies and phenomena. In curriculum for K-4 students, NASA defines astronomy as simple “the study of stars, planets and space.”

Astronomy is the oldest science, with the first observations of the heavens conducted by our early human ancestors. Historical records of astronomical measurements date back as far as Mesopotamia nearly 5000 years ago, with later observations made by the ancient Chinese, Babylonians, and Greeks. Historically, astronomy has included disciplines as diverse as astrometry, celestial navigation, observational astronomy and the making of calendars, but professional astronomy is now often considered to be synonymous with astrophysics.

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This application just is an excellent tool for self-study and exam preparation. It's not affiliated with or endorsed by any testing organization, certificate, test name or trademark.