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Space Adventure
Vocabulary
Term | Definition |
---|---|
Black Hole | an object whose gravity is so strong that nothing, not even light, can escape. |
Convection | Heat transfer in a gas or liquid by the circulation of currents from one region to another. |
Corona | The outer most layer of the sun's atmosphere. |
Doppler Effect | An observed change in the frequency of a wave when when the source or observer is moving. |
Fusion | source of energy for stars in the universe |
Light Year | The distance that light travels in one year. |
Main Sequence | The Stage in which stars produce energy through the fusion of hydrogen and helium. |
Nebula | a cloud of gas and dust in outer space, visible in the night sky. |
Neutron Star | Neutron stars are thought to form by the gravitational collapse of the remnant of a massive star after a supernova explosion, |
Parallax | The effect whereby the position or direction of an object appears to differ when viewed from different positions. |
Solar Wind | the continuous flow of charged particles from the sun that permeates the solar system. |
Sun Spot | a spot or patch appearing from time to time on the sun's surface, |