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knowledge of the stars




knowledge of


patterns of stars in the sky


a force


National Aeronautics and Space Administrtion


When the moon is between the earth and the sun, completely covering the sun, causing the moon to cast a shadow upon the earth.


The path an object or planet follows as it moves around the sun.

thermonuclear fusion

Nuclear reactions (controlled explosions) that happen on the sun that give it energy and power


The layers of gases and mist that cover a planet, such as the earth.


Dark patches on the sun which are cooler than the rest of the sun.


To turn around a fixed point, the way a top spins in place or a planet spins on its axis.


Natural, colorful light displays in the sky that can be caused by solar flares.

solar flares

Large fires that burst out millions of miles from the sun, releasing energy into the solar system.

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