Blue planet of solar system : Earth

• Earth potani dhari upar 23.5 ° zukeli che.
• creation of Earth: 4.6 abaj varas pehla
• earth rotation is anticlockwise
• rotation speed : 1610 km/hr
• dencity of rock below land surface : 3 gm/cm

• dencity of rock below ocean surface :27 gm/cm
•lethosphere: 100km long in earth
  Made of silicon and magnesium
Also called " white of the earth".

•  complete Solar eclipse time 7 minute 40 seconds

• 2 tide duration :12 hour 26 minutes



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