Why does the sun rise?


To answer this question, we need to remember two things about the Earth: it spins as it orbits the Sun; and it takes one day for the Earth to do one complete spin. This short animation shows how the Earth spins as it orbits the Sun.

One full Earth day lasts 24 hours during which we have some light hours (daytime) and some dark hours (nighttime). Daytime is when the part of the Earth that we live on faces towards the Sun and nighttime is when that part of the Earth faces away from the Sun.

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