Comet 67P/Churyumov–Gerasimenko over Toronto

21 Aug

A photo of Comet 67P/Churyumov–Gerasimenko superimposed over a photo of Los Angeles has recently gone viral.

The picture gives you an idea of perspective. Because a 4km long comet doesn’t SOUND all that big, and in astronomical terms, it is pretty tiny.

But compared to a city here on Earth, it’s pretty darn big.

So I thought it would be fun to compare the size of 67P/CG to my hometown, Toronto:

Comet 67P/Churyumov–Gerasimenko in the sky over Toronto

Comet 67P/Churyumov–Gerasimenko in the sky over Toronto

This is all in the news right now because the European Space Agency’s Rosetta probe recently entered orbit around 67P/CG – entering the history books as the first time humanity has ever had a spacecraft orbit a comet.

And here’s my challenge: What would Comet 67P/CG look like if it were over your hometown?

Hat tip to the original tweet:


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