Space Exploration

A vehicle sponsored by sixteen nations that circles the Earth while astronauts living on board carry out experiments.

A dog.

National Aeronautics and Space Administration, the US government agency in charge of the space program.

A vehicle for exploring the surface of an extraterrestrial object.

An optical instrument for making distant objects appear larger and brighter by using lenses and curved mirrors.

An unmanned spacecraft that travels out of Earth's orbit to collect data about space.

To orbit Earth or another celestial body to collect data or provide communication.

It was the first mission to land humans on the Moon in 1969.

A condition in which objects appear to be weightless, often experienced in space.

A space telescope that has provided detailed images of distant galaxies and celestial phenomena.