1
another name for an objective mirror
primary mirror
telescope
type of telescope that uses a large, curved mirrow as the objective
reflecting
any activity performed by an astronaut outside the spacecraft
EVA
first human being to set foot on the moon
Neil Armstrong
Father of Modern Rocketry
Robert Goddard
first Chinese astronaut
Yang Liwei
first American to orbit the earth
John Glenn
First person to travel in Space
Yuri Gagarin
third nation to successfully launch a manned spacecraft
China
first mission to land on the moon
Apollo 11
first space station launched by the U.S.
Skylab
unmanned spacecraft launched specificially to explore the unknown
space probe
type of orbit that a satellite stays above the same point on the earth's surface
Geostationary
type of satellite to help defend countries against attack and can photograph foreign installations
type of satellites are the satellites of the Global Positioning System
navigational
what maneuver allows a spacecraft to steal a planet's motion, thus increasing its speed and orbit as it flies past
gravity assist or slingshot
at what point in its orbit does an Earth-orbiting satellite travel the fastest
closest to Earth
refers to the lowest point in the orbit of an earth-orbiting satellite
perigee
type of orbit perpendicular to the equator
polar orbit
what orbit is the most fuel-efficient way for a spacecraft to move between orbits
Hohmann transfer
in which type of orbit does a satellite cross the equator at the same local mean solar time on every orbit
sun-sychronous
type of rocket that uses various combinations of liquid chemicals seeing without atmospheric distortion
liquid-fuel
first space station launched
Salyut I
what visible light telescope was launched into space, enabling seeing without atmospheric distortion
Hubble Space telescope