Planets Earth and Mars - gk lokam

5 November 2019

Planets Earth and Mars

Planets Earth and Mars


Distance from the sun : 150 million km
Period of Revolution : 365 days hrs 48 min 45 sec
Period of Rotation : 23 hrs 56 min 4 sec
Escape Velocity : 11.2 km/sec
Diameter : 12,756 km
Polar diameter : 12713 km
Age : 4.6 billion years old
Third planet from Sun 
Ans : Earth
Fifth largest planet in the solar system
Ans : Earth
Largest Inner planet
Ans : Earth
The only planet in the solar system where life can exist
Ans : Earth
The densest among the planets
Ans : Earth
The planet known as 'Blue planet'
Ans : Earth
The only planet whose English Name is not derived from Greek/Roman mythology
Ans : Earth
Element having the name of Earth
Ans : Tellurium
Average temperature of the Earth's atmosphere
Ans : 14°C
The only planet on which water can exist in liquid form on the surface
Ans : Earth
Earth's atmosphere consists of
Ans : 78% nitrogen, 21% oxygen, 0.93% of Argon and 0.038% carbon dioxide
The only one natural satellite of Earth
Ans : Moon
Nearest star to the Earth
Ans : Sun
The closest cosmic neighbour of earth 
Ans : Moon
The shape of earth is known as 
Ans : Oblate Spheroid (Geoide)
Earth day is observed on 
Ans : April 22
The hottest place recorded on earth 
Ans : El Azizia (57.7°C)
The coldest place recorded on Earth -
Ans : Vostok station (Antartica "89°C)
The planet which is known as Gaiyya in Greek
Ans : Earth

4. MARS 

Period of Revolution : 687 days 
Period of Rotation : 24 hrs, 37 minutes 22.63 sec
Escape Velocity : 5.027 km/s
The planet which is named after the Roman God of War
Ans : Mars
The planet which is called as Red planet 
Ans : Mars
Phobos and Deimos are the two satellites of 
Ans : Mar
The red colour of Mars is due to the presence of
Ans : Iron oxides
The planet known as fossil planet and Rusty planet
Ans : Mars
The satellite known as Black moon
Ans : Phobos
Smallest satellite in our solar system
Ans : Deimos
Phobos and Deimos were discovered by
Ans : Asaph Hall (1877)
Colombia Memorial station and Carl Sagan Memorial station are in
Ans : Mars
The highest volcanic mountain in Mars
Ans : Olympus mons
The biggest Canyon found in Mars
Ans : Valles Marineris
The atmosphere of the planet which contains the huge amount of Carbon dioxide
Ans : Mars
First space craft to visit Mars
Ans : Mariner 4 (1965)
First space craft to land on mars was
Ans : Viking - I (1975 NASA)
NASA's Path Finder landed successfully on Mars in
Ans : 1997
In January 2004, NASA's Mars exploration rovers named Spirit and Opportunity landed on
Ans : Mars
The first robot to travel on the Mars surface
Ans : Sojourner

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