Earth Moon Sun Relationship Earth and Sun Relationship

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Earth, Moon & Sun Relationship

Earth, Moon & Sun Relationship

Earth and Sun Relationship • Earth completes one revolution around the sun every 365

Earth and Sun Relationship • Earth completes one revolution around the sun every 365 ¼ days. • Revolution – the time it takes for the Earth to complete 1 orbit around the sun.

What is Rotation? • Rotation – the Earth rotates around its axis once every

What is Rotation? • Rotation – the Earth rotates around its axis once every 24 hours. – This is what causes night and day!

What Causes the Seasons? • Due to the way Earth is tilted on its

What Causes the Seasons? • Due to the way Earth is tilted on its axis, we experience seasons during the Earth’s revolution (orbit) around the sun.

Earth and Moon Relationship • The moon revolves around the Earth about once every

Earth and Moon Relationship • The moon revolves around the Earth about once every month.

The Phases of the Moon • The phases of the moon are caused by

The Phases of the Moon • The phases of the moon are caused by its position relative to Earth and the sun.

The Moon • Our moon is a small rocky satellite, having about one-quarter the

The Moon • Our moon is a small rocky satellite, having about one-quarter the diameter of Earth and one-eightieth its mass. • It has extremes of temperature, virtually no atmosphere or life, and very little water.

• The sun is an averagesized yellow star, about 110 times the diameter

• The sun is an averagesized yellow star, about 110 times the diameter of Earth. • The sun is approximately 4. 6 billion years old. • It is 93, 000 miles away! The Sun

The Earth • Earth, the third planet from the sun, is one of the

The Earth • Earth, the third planet from the sun, is one of the four terrestrial inner planets. • Earth is in the “Goldilocks” zone—just right for life to be possible (temperature and presence of water)

The Earth • Earth has large amounts of lifesupporting water and an oxygen-rich atmosphere.

The Earth • Earth has large amounts of lifesupporting water and an oxygen-rich atmosphere. • Earth’s protective atmosphere blocks out most of the sun’s damaging rays.

The Earth vs The Sun Which is the Center of our Universe? Aristotle and

The Earth vs The Sun Which is the Center of our Universe? Aristotle and Ptolemy thought that the earth was the center of our solar system. (Geocentric) BTW…they were wrong! Copernicus and Galileo discovered that the sun was actually the center of our solar system. (Heliocentric)

NASA – What’s That? • NASA - National Aeronautics and Space Administration. • It

NASA – What’s That? • NASA - National Aeronautics and Space Administration. • It was started in 1958 by the United States Government. • The NASA Apollo missions added greatly to our understanding of the moon. • Our understanding of the sun, moon, and the solar system continues to change with new scientific discoveries.