Which of the following is involved in every eclipse?


Shadows


The moon


The planets


Comets


Please answer ASAP!

Verified Answer :

Definitely not D. Comets, and not B. The moon, because there are solar eclipses as well, not only lunar. The planets don't really have anything to do with eclipses.
I think A. Shadows is the best answer.

The answer is the planets.