What does the old crone demand of the knight?

To marry the Knight

Explanation:

Assuming you're talking about the wife of baths tale.

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun

yes, we appreciate these things!