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science ch 2 sec 2

nuclear fusion the process in which hydrogen antoms join together to form helium
photosphere the inner layer of the suns atmosphere
chromosphere the middle layer of the suns atmosphere
corona the outer layer of the suns atmosphere
solar flares an explosion of hydrogen gas from the suns surface that occurs when loops in sunspot regions suddenly connect
solar winds a stream of electrically charged particles produced by the suns corona
sunspots a dark area of gas on the sun that is cooler than the surrounding gases
prominence a loop of gas that protrudes from the suns surface linking parts of sunspot regions
Terrestrial planets small rocky surfaces on the four inner planets
Retrograde rotation the spinning motion from east to west
Greenhouse effect the trapping of heat from a planets atmosphere
gas giants the name given to the four outer planets
comets chunk of ice and dust whose orbits are long and narrow
meteors a streak of light in the sky produced by the burning of a meteorite
meteorite a meteor that hits earths surface
meteoroid a chunk of rock or dust in space
asteroid objects moving around the sun that are to small and too numerous to be considered planets
asteroid belt the region of the solar system between the orbits of mars and jupiter
Created by: bumblebee7