Pluto has a nitrogen heartbeat. The most interesting part of the article is how different the conditions on other p lanets are and if the nitrogen found in pluton said no such thing would exist and all this is possible thanks to New Horizons is a NASA spacecraft. It has been exploring the dwarf planet Pluto. It took pictures of Pluto and gathered other information. The New Horizons researchers wrote a study. It came out on February 4. It gave new information about Pluto's weather cycle. Pluto has a giant valley. The valley is covered in nitrogen ice. Nitrogen is a chemical element. From space, the valley has the shape of a heart. The valley is called Sputnik Planitia. It is nicknamed the "heart." Each day, the sun shines on the Sputnik Planitia valley. That's the left side of Pluto's "heart." The warmth causes the nitrogen ice to turn into mist. At night, it gets really cold on Pluto. The misty nitrogen turns back to ice. The cycle repeats every...