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8th Chapter 2

Exploring Space

rocket A device that expels gas in one direction to move in the opposite direction
thrust the reaction force that propels the rocket forward
velocity speed in a given direction
orbital velocity the velocity a rocket must achieve to establish an orbit around Earth
escape velocity the velocity a rocket must reach to fly beyond the planet's gravitational pull
multistage rocket This is the type of rocket whose main advantage is that the total weight of the rocket is greatly reduced as the rocket rises
satellite An object that revolves around another object in space
Sputnik 1 (1957) First satellite launched in space by the USSR Year 1957
Explorer 1 Second satellite launched in space by the US Year 1958
Alan Shepard First American in space
Yuri Gagarin First human in space launched by USSR
Freedom 7 Alan Shepard's spacecraft was named this.
John Glenn First American to orbit the Earth
space shuttle a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose.
space station A large artificial satellite on which people can live and work for long periods.
space probe A spacecraft that carries scientific instruments that can collect data, but has no human crew
rover Probes that have small robots that move around on the surface
Atlantis Challenger Columbia Discovery Enterprise Endeavor Name the 6 Space Shuttles
Columbia and Challenger What two shuttles were destroyed?
Japan, France, Italy, Germany, England, Canada and many more. Name 2 countries in partnership with the ISS
vacuum A place that is empty of all matter
microgravity Astronauts experience a feeling of weightlessness.
space spinoff An item that has uses on Earth but was originally developed for use in space.
remote sensing The collection of information about Earth and other objects in space without being in direct contact.
geosynchronous orbit This is how satellites orbit the Earth. It orbits Earth at the same rate as Earth It rotates and thus stays over the same place on Earth all the time.
Created by: jamimurray