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.
This article is about the planet. For other uses, see Neptune (disambiguation). Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times the mass of Earth and slightly larger than Neptune.