If Earth's axial tilt were zero, the subsolar point would migrate across __________ degrees of latitude each six months.

Question

Quizplus · Accepted Answer

The subsolar point is the point on Earth's surface where the sun is directly overhead at any given time. If Earth's axial tilt were zero, there would be no seasonal variation in the amount of solar radiation received at any given point on Earth's surface. The subsolar point would therefore always remain at the equator, which is 0 degrees latitude, and would not migrate across any degrees of latitude.

If Earth's Axial Tilt Were Zero, the Subsolar Point Would