Things you might not know about Carl Sagan

It has been a big year for the legacy of Carl Sagan.

The Perimeter Institute for Theoretical Physics has marked what would've been Carl Sagan's 80th birthday with a list of 19 things you might not have known about the scientist.

Among them is the fact that by the time he was was six, Sagan had figured out that by holding two lenses in the right positions, he could see craters on the moon.

He was among the first scientists to propose that Jupiter’s moon Europa might house underground oceans – an idea later indirectly confirmed by the Galileo space probe and his theoretical predicted of the surface temperatures of Venus were later confirmed by the Mariner 2 space probe.

Sagan was also remembered in the Sixth Carl Sagan Day events. As organisers say:

This has been a big year for the legacy of Carl Sagan. With the remake of his incredible series COSMOS: A Spacetime Odyssey earlier this year, Sagan’s name is once again a household name. Host Neil deGrasse Tyson has brought the importance of science back to the forefront and has inspired a whole new generation of space enthusiasts.

A preview of the Perimeter Institute's 19 awesome things about Carl Sagan apart from Cosmos

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