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sun/stars

vocabulary

TermDefinition
main sequence category of stable stars in the middle developmental phases that plot along a continuous diagonal belt on the Hertzsprung-Russell diagram
nebula large cloud of gas and dust in interstellar space; the location of star formation
spiral-shaped galaxy A galaxy with a bulge in the center and very distinct long arms winding around the center
star A celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior
supernova The death of a large star by explosion
universe All space and matter space contains
black hole The remains of a star or or other large object that collapsed under its own gravity to form a super dense object with its gravity so strong that light cannot escape its pull
elliptical-shaped galaxy A galaxy with a long oval shape, a bright center, no apparent internal structure or spiral arms, and very little dust or gas
Galaxy A large grouping of stars in space
Hertzsprung-Russell Diagram A plot of the surface temperature (color) of stars vs. their Lumosity (brightness)
irregular-shaped Galaxy A galaxy with very little symmetry that does not fit into any category
luminosity the brightness or intensity of light from a star or any other object in space
Created by: user-1502792
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