Scientists recommend finding a clear view of the western horizon and using binoculars to view the planets.
Pi is essential for studying the universe, so NASA uses it often. Students can solve some real problems related to Pi that NASA had to deal with in the past.
Materials that catalyze faster can be used in a wide range of fields, including pharmaceuticals and future Mars habitats.
A nuclear thermal engine for a space rocket could be three or more times as efficient as conventional chemical rockets.