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Space Adventure

Vocabulary

TermDefinition
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,
Created by: barbara_bevard