Moon phases reveal the passage of time in the night ... this would be the real half moon)," NASA wrote in its moon guide. "The moon is opposite the sun, as viewed from Earth, revealing the moon's ...
The phases exist because of how the moon orbits Earth. "Sunlight illuminates half the Earth and half the moon at all times," NASA says in an explainer. "But as the moon orbits around the Earth ...
hence why not every new moon results in a solar eclipse, according to NASA. Related: What you can see in the night sky tonight On the nights before and after a new moon, when just a thin crescent ...
NASA wants to find better ways to recycle and reduce waste, making sure future space missions are safer and more efficient. The LunaRecycle Challenge has two phases. In Phase 1, teams need to create a ...