View Full Version : How Big is Rosetta’s Comet?

2014-Jul-02, 04:50 PM
Pretty darn big, I’d say. The illustration above shows the relative scale of the comet that ESA’s Rosetta and Philae spacecraft will explore “up-close and personal” later this year. And while it’s one thing to say that the nucleus of Comet 67P/Churyumov-Gerasimenko is about three by five kilometers in diameter, it’s quite another to see […]

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