The Moon reaches its first-quarter phase today at 7:33 a.m. CDT. It stands at a right angle to the line that connects Earth and the Sun, so sunlight illuminates exactly half of the lunar hemisphere that faces our way.
The Moon reaches its first-quarter phase today at 7:33 a.m. CDT. It stands at a right angle to the line that connects Earth and the Sun, so sunlight illuminates exactly half of the lunar hemisphere that faces our way.