Geocentric and Heliocentric Model of the Universe

During the ancient times, the early Babylonians, Chinese and Egyptians believed that the Earth was ________.

• flat

• circle

• ecliptic

• round

He started on the idea that the Earth was a sphere.

(a)  

The theory of the structure of the universe in which Earth is assumed to be at the center.

(a)  

The theory of the structure of the universe in which Sun is at the center.

(a)  

Tags

NGSS.HS-ESS1-4

It is an apparent change in the movement of the planet through the sky.

(a)  

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NGSS.HS-ESS1-4

It is the annual shift in the position of the fixed stars.

(a)  

During the 16th century, (a)   revived the heliocentric model of Aristarchus.

In his model, the Earth is constantly rotating on its axis while it is continuously revolving around the sun.

He invented the telescope and proved the Heliocentric model proposed by Copernicus.

(a)  

Johannes Kepler showed mathematically that the Heliocentric model of the universe worked well if the planet's motion is along off-center (a)   .

Tags

NGSS.HS-ESS1-4

This law states that the path of the planet sweeps out the same amount of area in the same amount of time.

• Law of Ellipses

• Law of Equal Areas

• Law of Period

• Law of Conservation of Mass

Tags

NGSS.HS-ESS1-4