Did you know that a day on Venus is longer than its year? Venus takes about 243 Earth days to rotate once but only 225 days to orbit the Sun! Now, imagine waiting all that time for a single sunrise! Speaking of weirdness, octopuses have three hearts and blue blood; two hearts pump blood to the gills, while one pumps it to the rest of the body. Let’s not forget about the vast universe: there are potentially more stars in the universe than grains of sand on all Earth's beaches! If you’re wowed by these cosmic facts, here’s a last gem: the coldest place known is the Boomerang Nebula, at a jaw-dropping -458°F! Who knew the universe could be so frosty and fascinating?