Astronomy

Tereshkova, Valentina

Biography, Vostok 6, & Facts

Deep Space 1

United States satellite

Galilean Transformations

physics

Cygnus Loop

astronomy

Krikalyov, Sergey Konstantinovich

Russian cosmonaut

Antikythera Mechanism

Purpose, & Facts

Spacelab

Definition & Facts

China 1

satellite

Sharma, Rakesh

Indian military pilot and cosmonaut

HIP 13044b

extrasolar planet

Galle, Johann Gottfried

German astronomer

Dorado

constellation

Variable Star

astronomy

Earth Satellite

Definition & Facts

Qian Xuesen

Chinese scientist

Draco

constellation