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science vocab

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 layer of the suns atmosphere
Doppler Effect An observed change in the frequency of a wave then the source or observer is moving.
fusion creation of energy by joining the nuclei of two hydrogen atoms to form helium.
light year the distance light travels in one year
main sequence the stage in which stars produce energy through the fusion of hydrogen into helium
nebula a large cloud of dust and gas that can break apart into smaller pieces and form stars
neutron star may occur when a super giant collapses to a very dense core
parallax an apparent shift in the position of an object when viewed from different locations
solar wind a stream of electrically charged particles produced by the suns corona
sunspot a cooler darker spot appearing periodically on the suns photo sphere.
Created by: hannah3737
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