The Earth Goes Around The Sun


We’re always on the move! Even when you’re standing still, you’re moving! You are moving because the Earth và everything in our solar system is constantly moving.

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Our solar system includes the Sun, nine planets and their Moons, comets & asteroids. These objects are sometimes called celestial bodies, & they are constantly moving, too.

At the center of it all is the Sun. It takes the Sun 25 days to lớn spin, or rotate, completely around.

The Earth, which is the third planet from the Sun,

takes 24 hours khổng lồ rotate. This is what causes day & night. As the Earth rotates, it also moves, or revolves, around the Sun.

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The Earth’s path around the Sun is called its orbit. It takes the Earth one year, or 365 1/4 days, to lớn completely orbit the Sun.

As the Earth orbits the Sun, the Moon orbits the Earth. The Moon’s orbit lasts 27 một nửa days, but because the Earth keeps moving, it takes the Moon two extra days, 29 1/2, khổng lồ come back lớn the same place in our sky.

The greatest picture ever taken of the Moon & the Earth: Apollo 8, the first manned mission lớn the moon, entered lunar orbit on Christmas Eve, Dec. 24, 1968. That evening, the astronauts-Commander Frank Borman, Command Module Pilot Jim Lovell, and Lunar Module Pilot William Anders-held a live broadcast from lunar orbit, in which they showed pictures of the Earth and moon as seen from their spacecraft. Said Lovell, “The vast loneliness is awe-inspiring & it makes you realize just what you have back there on Earth.” They ended the broadcast with the crew taking turns reading from the book of Genesis. Image Credit: NASA

What is an eclipse?


This site has been designed lớn give your class an overview of astronomy & help them understand why a Total Solar Eclipse can happen. Each section leads with a simple question which is answered through the use of words, pictures, animations và activities. Each section requires approximately 5 minutes, each activity varies.

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Dolores Peterson was a new york City School Teacher in Community School District 3 for nine years when she produced this lesson plan for She has a Masters in Education from the city University of New York.