A lunar eclipse occurs when Earth passes directly between the Sun and Moon, casting a shadow that darkens and reddens the lunar surface. This celestial event, a result of precise orbital alignment, ...
Stephen DiKerby receives funding from NASA and NSF grants, as well as from Michigan State University. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to ...
The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...
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