What are Banquo and Fleance doing at the opening of the scene?
Macbeth*

Banquo and his son Fleance walk in the torch-lit hall of Macbeth's castle. Fleance says that it is after midnight, and his father responds that although he is tired, he wishes to stay awake .

Explanation:

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