Some Notable Facts About Various Planets and Satellites
Mercury, Venus,The Earth & Mars
Mercury
Mercury is the closest planet to the Sun.
It is extremely hot planet.
The planet has no water on it.
Mercury planet has no gases like CO2, N2, H2, and O2 which can act as building blocks of life.
Mercury planet has no protective blanket like Ozone around it to prevent us from harmful radiations.
Venus
Venus is the second planet in distance from the Sun. This planet is nearest to the Earth and is also the brightest planet.
Venus is known as the “Evening Star” as well as “Morning Star”.
Venus is surrounded by a thick cloud cover, hence known as the “Veiled Planet” veil ‘means unclear/cover).
Venus is like the Earth in size and mass, and hence also known as the “Earth’s twin”.
Venus is a very hot planet.
Venus has no water on it.
There is no sufficient oxygen on the Venus.
The Earth
Earth is the largest of the inner planets.
The Earth is 23 ½ ° tilted on its axis and thus makes 66 ½ ° angle.
It takes 23 hours 56 minutes and 4.091 seconds to rotate on its axis.
It takes 365 days, 5 hours and 48 minutes to revolve around the Sun.
Earth is known as the “watery planet” or the “blue planet” due to the presence of huge amount of water on it.
The Earth is the only known planet which provides sustenance or life it. It has a large quantity of oxygen which supports life.
The earth has all the essential elements like carbon (in the form of CO2) , hydrogen ( H2), nitrogen ( N2) an oxygen ( O2) which act as building blocks for the origin of life.
The earth is neither to hot nor too cold. It has ‘Goldilock Zone’.
‘Goldilock Zone’ is the habitable Zone of solar system where all conditions are available for life to sustain.
The earth has a lot of water in the form of lakes, rivers and oceans for growth and survival of life.
The earth has enough oxygen gas in its atmosphere for the survival of living beings through breathing.
The earth has a protective blanket of ozone layer high up in its atmosphere to save life from the harmful ultraviolet radiations coming from the sun.
Mars
Iron-rich red soil and pink sky of Mars give it the name, “Red Planet”.