What is the relationship between density and distance for the four Galilean moons of Jupiter?
A) density increases with increasing distance
B) density remains constant with distance
C) density first decreases and then increases with distance
D) density decreases with distance
Question 2
When we make an observation of a distant galaxy 10 billion light-years away, we are seeing this galaxy as it
A) is right now
B) was when the universe was only 10 billion years old
C) was when the universe was formed
D) will be in 10 billion year's time
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M
Jupiter’s Magnetosphere
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