An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.
En route to land on the moon, a spacecraft snapped views of Earth eclipsing the sun. The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan.
2025—the Earth is precisely between the sun and a full moon. The Earth projects its shadow onto the lunar surface, and the only sunlight that gets to the lunar surface is filtered by Earth’s ...