How do scientists predict celestial events? I mean, if the solar eclipse is happening today, how do they know it happened XX years ago or that it will happen XX years later?
I am not talking about simply predicting a solar eclipse but rather specifically how long it’s been since this exact same type occured.
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You may have observed that the sun rises every 24 hours. You think it’s safe to predict that it will rise again tomorrow. Maybe you talk to people that have noticed it before you and they confirm your suspicion: the sun has been rising everyday in the past too.
The sun rising is a cyclical celestial event like any other.
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