Calories in Classic Italian Sub Sandwich. *Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. Some of these foods were entered by users and are subject to error.
It remains uncertain why these plumes happen when Europa is farthest away from Jupiter, when the gravitational pull it experiences from the planet is relatively weak. Perhaps the moon's cracks pull open when Jupiter's pull relaxes on Europa, letting water vapor rush out.
Voyager 1 began photographing Jupiter in January 1979. Its closest approach to Jupiter was on March 5, 1979, at a distance of about 349,000 kilometers (217,000 miles) from the planet's center.