- The area 5-degree N to 5 degree south of the equator is called doldrums.
- A light year is equal to 9.50 Million kilometers.
- The temperature of Sun’s center is 15 million C and the temperature of outer surface of sun is 5500 to 6000 C.
- According to new scientific research that water is present on the surface of Mars except earth planet.
- Neptune’s orbit around the sun takes about 165 years.
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