On September 1, 2017, NASA’s Juno spacecraft witnessed a remarkable cosmic event — a small Jovian moon called Amalthea blocked the sunlight and cast a shadow on the face of the gas giant. Amalthea casts a shadow on Jupiter in this image captured by NASA’s Juno spacecraft; the elongated shape of the shadow is a result of both the location of Amalthea with relation to Jupiter in this image as well as the irregular shape of the small moon itself....
