Answer:
Jupiter's moons are orbiting Jupiter while Jupiter's position doesn't change. Each day, there are some moons visible, while others are hidden behind Jupiter.
Answer:
1 hour
Explanation:
24 hours = 360 degrees
1 hour = 360 ÷ 24 = 15 degrees
Technically, none. The answer is a volcanic eruption.
That reaches the earth surface are called volcanic mountains or ridges