Astronomy

Is the Moon moving away from the Earth? When was this discovered? (Intermediate) - Curious About Astronomy? Ask an Astronomer

• url: https://web.archive.org/web/20220812223333/http://curious.astro.cornell.edu/about-us/37-our-solar-system/the-moon/the-moon-and-the-earth/111-is-the-moon-moving-away-from-the-earth-when-was-this-discovered-intermediate

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APOD: 2013 February 20 - Saturn's Hexagon and Rings

• url: https://apod.nasa.gov/apod/ap130220.html

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How has knowledge of fusion of the Sun changed astronomy?

• url: https://astronomy.stackexchange.com/questions/42105/how-has-knowledge-of-fusion-of-the-sun-changed-astronomy

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Do all galaxies have a blackhole in the center

• url: https://astronomy.stackexchange.com/questions/28012/do-all-galaxies-have-a-blackhole-in-the-center

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What keeps galaxies together?

• url: https://astronomy.stackexchange.com/questions/41722/what-keeps-galaxies-together

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