However, I do know the angular size of the Sun (as seen from Earth) is about 0.53° -- yes, the distance from the Earth to the Sun does change, but I don't mind.

You may have come across the term 'angular spreading' in the Surfline forecasts—well here's what it means.

Earth is steadily spinning like a top, even if we can't see, touch, hear or feel it. So, what would happen if Earth were to abruptly stop rotating? If the spinning were to stop, the angular ...