Look up and Constellations

Look up and Constellations

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere. They typically represent animals, mythological people, gods or creatures. There are 88 modern constellations, but just because those are the ones that are recognized doesn’t mean that one you make up is less valid.

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Liquid Nitrogen: Deep Freeze Science

Liquid Nitrogen: Deep Freeze Science

 It was a cold night in Russia’s Sakha Republic. Tiny Oymyakon, widely regarded today as the coldest town on Earth, was used to going about its business in near-arctic temperatures. On February 6, 1933, its residents braved the lowest temperature ever measured in an inhabited location: ninety degrees below zero, Fahrenheit.* Source: http://www.nasa.gov/sites/default/files/coldestplacerecords.png?itok=nAYJEo7W In

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