Class 8 Physics Stars and the Solar System Planets and their Features

Planets and their Features





• It is the planet nearest to the sun

• It is the smallest planet in the solar system

• Since it is closed to the sun, it is often hidden by the sun's bright light. So, it can be observed early in the morning or late in the night in places which are open and not obstructed by trees and tall buildings

•       It does not have any satellites



• Earth's nearest neighbor

• Brightest planet in the sky and can be spotted easily and often.

• Venus appears in the eastern sky before sunrise. Sometimes, it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star.

• It shows up in various phases like the moon

• No satellites of its own.

• It rotates from east to west



• It is the only planet where life is known to exist.

• It is because of the following reasons

• Right temperature

• Presence of water

• Presence of atmosphere

• Presence of Ozone layer

• The earth appears bluish-green in space because of the reflection of light from water and landmass on its surface

• Moon is earth's only natural satellite

• The axis of rotation of the earth is slightly tilted which is the reason for season's on earth



• It appears reddish and is often called the 'Red planet'

• It has 2 small natural satellites




• It is the largest planet in the solar system.

• It is about 1300 times bigger than earth and about 318 times heavier than Earth

• It rotates very rapidly on its axis

• It has many satellites

• It is quite bright and can be seen in the night sky along with its 4 large moons.



• It appears yellowish in colour

• It is beautiful and different because of its rings. But these rings cannot be seen with the naked eye. It can be viewed only with a telescope.

• It is less dense than water and least dense among all planets



•  It has a highly tilted axis because of which it appears that it rolls around the sun.

• It can only be seen with a telescope.

• It moves from east to west



• Last planet of the solar system

• It can only be seen with a telescope

• It has a large number of satellites




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