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sphere of light; the surface layer of the sun; the layer visible to the observer on Earthni


the sun's atmosphere that has a colorful layer of gases that surrounds the sun's photosphere; visible only through a monochromator


a vapor blanket that surrounds the chromospheres and extends to about 249,000miles from the surface of the sun; visible only during a total solar eclipse

solar eclipse

the blocking out of the sun's light that occurs when the moon comes between the sun and the earth

lunar eclipse

the obscuring of the moon that occurs when the earth comes between it and the sun; the moon is temporarily darkened as it passes through the earth's shadow

air pressure

the pressure of atmospheric or compressed air; the total weight of air on some particular place on earth


the layer of gases surrounding a planet or moon;


a form of oxygen with three atoms of oxygen in its molecule instead of the two atoms found in in molecules of normal oxygen gas


a light visible on the horizon on especially dark and clear nights; cast by ions created when solar rays strip electrons from electrons from atoms of gases in the upper atmosphere


small solid pieces of rocky debris traveling through space; many meteoroids are fragments broken off asteroids


an atom that is either positively charged because it has lost some or all of it electrons, or negatively charged because it has picked up one or more extra electrons

solar wind

a steady stream of subatomic particles speeding outward from the sun and through space at a million miles per hour


light display seen near the poles caused by the collisions of particles from the solar wind with molecules of air

93,000,000 miles

How far away is the sun?


Layer of Earths's atmosphere closest to the Earth where weather occurs

Where do sunspots occur?

on the photosphere


the first phase after a new moon


meteoroids burn up in this layer


the first planet discovered in modern times. It was discovered by Sir Wm Herschel. It rotates on it's side.


largest planet with the big red spot


Earth's twin and brightest planet in the sky


planet with 7 rings and over 60 moons


royal blue planet where the wind blows hardest. It has a moon named Triton.


only planet suitable for life.


planet closest to the sun


the red planet.


innermost section of the sun


darker areas on the outer surface of the sun


where the light of the moon comes from




78% of the air is made of this gas

ozone layaer

layer in the stratosphere that helps protect the earth from ultraviolet rays


topmost layer of the earth's atmosphere


scarce; thin and less dense


earth is surrounded by this field that protects it from harmful space particles

aurora borealis

the northern lights


percent of nitrogen in the earth's air

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