ABOUT JUPITER

Jupiter has a long history surprising scientists—all the way back to 1610 when Galileo Galilei found the first moons beyon d Earth. That discovery changed the way we see the universe Fifth in line from the Sun, Jupiter is, by far, the largest pla net in the solar system – more than twice as massive as all the other planets combined. Jupiter's Great Red Spot is a gigantic storm that’s about twice t he size of Earth and has raged for over a century.Jupiter is a gas giant and so lacks an Earth-like surface. If it has a solid inner core at all, it’s likely only about the size of Earth. Jupiter's familiar stripes and swirls are actually cold, windy c louds of ammonia and water, floating in an atmosphere of hydroge n and helium. Jupiter’s iconic Great Red Spot is a giant storm bi gger than Earth that has raged for hundreds of years.