J1 AND J2: Jupiter’s tiny new moons

Jupiter, as any keen astronomer or long-suffering student in a science classroom will tell you, is our Solar System’s fifth planet and it’s largest. This massive gas giant has two and a half times the mass of all the other planets. Its appearance, with its distinctive marbled surface of white, grey, orange and brown, has intrigued sky-watchers since the dawn of human civilisation. The Romans named it after the senior god in their pantheon and it was an important feature in ancient Chinese and Indian astrology. This celestial mammoth of hydrogen (and a small amount of helium) has also the … Continue reading J1 AND J2: Jupiter’s tiny new moons