What is a light year?
the time it takes for light to reach Earth from the Sun
the distance light travels in one vear
the time it takes for light to travel around the Sun
the distance light can travel in a year before it burns out

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?