Information about planets

              Information about planets 

                                1. MERCURY                                               

.   Rotation :58.64 days.Revolution:88 days  (Farter revolution in solar system).Maximum diurnal range of temperature. It's hot in day & frigid in night .It has no atmosphere and no satellits 

2.VENUS

.Also called Earth's Twin, because it is slightly smaller than earth ( 500km less in diameter) 

.It popularly known as Evening star & Morning start

.Closest planet to earth 

.It is the hottest planet in solar system

.The atmosphere contain 90-95% (Co2)

.It has no satellite

. Rotates backward ( clock wise) unlike other

3.EARTH 

.Also called Blue Planet 

. Circumference : 40232km 

.Area: 510million sq km 

.Rotates from west to east in 23hr,56m & 40.91s

.it takes 365days,5hr,40m & 45.51s in annual movement around the sun

.It results in one extra days every fouth year (leap year) 

4.MARS  

.Also called Red planet

. Revolution:687days

. Rotation:24.6hr (almost equal to earth)

.It has a thin atmosphere comprising of Nitrogen & Argon

.It has 2 satellite (Phobos & Deimos)

5.JUPITER

. Largest of all planets (71%of the total mass of all planets)

.It also called Lord the Heavens

. It's atmosphere contain hydrogen, helium,methane & ammonia

.It has the fastest retation time 9.8hr 

. Revolution:12years 

.It has a maximum number of satellites (63)

.Gannymede is the largest satellite of 

solar system

6.SATURN 

. Second in size after Jupiter 

. Revolution:29yrs 

. Rotation:10.3hrs

.Least density of all 

.It have a own rings(3well defined)

.It has 60 satellites 

7.URANUS 

. Identified as a planet in 1781 by William hershel 

.Seems to rotate from north to south 

. Revolution:84yrs

. Rotation:10.8hrs

.It has 27 satellites

8.NEPTUNE 

. Called as Greenish star 

. Revolution:165yrs 

. Rotation:15.7days 

.It has 5 faint rings

. Discovered by J.G galle of Berlin in 1846

.It has 13 satellites 

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