2 vocab Flashcards
Quadrant
each of four quarters of a circle.
Astrolabe
an instrument formerly used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude,
Payload
the part of a vehicle’s load, especially an aircraft’s, from which revenue is derived; passengers and cargo.
Space probe
an unmanned exploratory spacecraft designed to transmit information about its environment.
Space Shuttle
a rocket-launched spacecraft, able to land like an unpowered aircraft, used to make repeated journeys between the earth and earth orbit.
Space Station
a large artificial satellite used as a long-term base for manned operations in space.
Solar Radiation
Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.
Microgravity
very weak gravity, as in an orbiting spacecraft.
Electrolysis
chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
Satellites
an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication. uses triangulation to determine the position of objects on earth
Remote Sensing
the scanning of the earth by satellite or high-flying aircraft in order to obtain information about it.
Geosynchronous
(of an earth satellite or its orbit) having a period of rotation synchronous with that of the earth’s rotation.
GPS
an accurate worldwide navigational and surveying facility based on the reception of signals from an array of orbiting satellites.
Newton’s third law
Newton’s third law: the law of action and reaction
Newton’s third law states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction.