Marcus Chown's blog

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How can we communicate with aliens?

In their final series of Tweets, Marcus Chown and Govert Schilling ask how we can talk to extraterrestrials

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Why do stars twinkle?

The Tweeting the Universe authors on what makes stars sparkle

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What are comets?

Marcus Chown and Govert Schilling continue to Tweet the universe

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Why is Mars red?

The master science writers, Marcus Chown and Govert Shilling, give the lowdown on the red planet… in tweets

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Where did the Solar System come from?

Marcus Chown explains, in tweets, one of science's great miracles

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