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Before the twentieth century, astronomers lacked knowledge of something, and this caused them to ...

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Before the twentieth century, astronomers lacked knowledge of something, and this caused them to ...

Before the twentieth century, astronomers lacked knowledge of something, and this caused them to think that the Sun was at the centre of our star system. What was that something?

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globular clusters

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Cepheid variable stars

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the dimming effects of gas and dust

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galactic rotation

Textbook

ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

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neginakbarin

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More solutions for this book are available here

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merrisara Author

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3 months ago

This helped my grade so much Perfect

ezsancheezy

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Good timing, thanks!

Lourd Jenkins

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Smart ... Thanks!

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