The Earth from space titled June Twenty-first. A red line is drawn horizontally through the middle of Earth. The Northern and Southern Hemispheres are labeled. Arrows toward the Earth are labeled Sun's rays. The Southern Hemisphere is tilted away from the sun. Image courtesy of Reto Stöckli (NASA)

The image above shows how the Earth receives energy on a solstice day. In this image, it's June 21. Because of the light and energy each hemisphere is receiving, which season is the Northern Hemisphere experiencing in this image?

A. winter
B. summer
C. spring
D. fall