7 Of The Coolest Discoveries Made About Space

A Star 1,500 Times Bigger Than Our Sun

Earth’s moon is relatively inactive but Jupiter’s moon has hundreds of volcanoes and is considered the most active moon in the solar system. The moon’s insides tense up and relax as it orbits closer to, and farther from, the planet, generating enough energy for volcanic activity. Also to go along with the idea of volcanos, there’s a volcano on Mars three times the size of Mount Everest.