This image shows the body size for 25 marine species, including whales, sharks, squids, and other ocean giants. Check out the little human swimmer in each row!
The image has a staggering 1.5 billion pixels, so you'd need 600 HD television screens to display it. A piece of the image, and links to a zoomable version, here.
This is "gyrochronology," from Greek words gyros (rotation), chronos (time). It can help identify distant planets old enough for complex life to have evolved.
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