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Chapter 22 Science

Science vocabulary- Space

TermDefinition
black hole An object whose gravity is so strong that nothing can escape it
convection H eat transfer in a gas or liquid by the circulation of currents from one region to another
corona The outer layer of the sun's atmosphere
doppler effect The observed change in frequency when the source or observer is moving
fusion The creation of energy by joining two nuclei of hydrogen atoms to create 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 clud of gas and dust that can break apart to form stars
neutron star May occur when a supergiant collapses to a very dense core
parallax An apparant shift in position of an object when viewed from different locations
solar wind a stream of electrically charged particles produced by the sun's corona
sunspot a cooler dark spot periodically appearing on the sun's photosphere
Created by: Lillie_monje
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