Space, Earth

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by powerpuffgirls3
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Space, Earth

What is it? imaginary line running around the widest part of the Earth, halfway between the North Pole and the South Pole.UsesDivides the Earth into Northern and Southern Hemisphere.

DefinitionThe angular distance of a place east or west of the meridian at Greenwich, England, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes


What is it? An imaginary line used to indicate 0° longitude that passes through Greenwich, a town of London. Also called the Prime Meridian. UsesDivides the Earth into Western and Eastern Hemispheres.

Sky Maps




What are they? A sky map is a map of the night sky. Astronomers divide these into grids to use them more easily. They are used to identify and locate astronomical objects such as stars, constellations and galaxies.A bit of history- The oldest known star chart may be a carved Mammoth tooth that was discovered in Germany. It’s 32,500 years old and has a carving that resembles the Orion constellation.

DefinitionThe angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes.

Space ' Earth


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