Astronomy

Peuerbach, Georg Von

Austrian mathematician

Praesepe

astronomy

Solar Dynamics Observatory

Description & Facts

Ring Nebula

astronomy

Payne-Gaposchkin, Cecilia

British-born American astronomer

National Radio Astronomy Observatory

observatory, Green Bank, West Virginia

Soyuz

Spaceflights & Facts

Icarus

Apollo asteroid

Patsayev, Viktor Ivanovich

Soviet cosmonaut

Orbiting Geophysical Observatory

satellites

Li Chunfeng

Chinese mathematician and astronomer

Leonov, Aleksei

Soviet cosmonaut

Bykovsky, Valery

Biography, Spaceflights, & Facts

Luna

space probe

Atacama Large Millimeter Array

Definition & Facts