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Solar System

Vocab words

TermDefinition
Fusion A creation of energy by joining the nuclei of two hydrogen atoms to form helium
Solar wind A stream of electrically charged particles produced by the sun's crona
Main sequence The stage in which stars produce energy through the fusion of hydrogen into helium
Convection The transfer of heat through a gas or liquid by the circulation currents from one region to another
Light year The distance light travels in one year
Neutron star May occur when a super giant collapses to a very dense core
Corona The outer layer of the sun's atmosphere
Parallax An apparent shift in the position of an object when viewed from different locations
Black hole An object whose gravity is so strong that nothing can escape, not even light
Sun spot A cooler darker spot appearing periodically on the sun's photosphere
Nebula A large cloud of dust and gas that can break apart into smaller pieces and form stars
Doppler effect An observed change in the frequency of a wave when a source or observer is moving
Created by: FreezingRose
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