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