Some Facts About The Universe

Distance of the sun from earth is 149,597,900 Km.
Diameter of sun 1,392,520 Km.
Diameter of earth 12,756 Km.
Circumference of earth is 40,075 Km.
Time taken by earth to rotate about its axis - 23 hours, 56 minutes and 4 seconds.
Time taken by earth to revolve round the sun is 365 1/4 days.

Diameter of moon is 3475 Km.
Distance of moon from earth 384,400 Km.
Longest day in the North hemisphere is 21 st June.
Shortest day in North hemisphere is 22nd December.
Equal days and night everywhere is 21st March and 23rd September.
Equal days and nights throughout the year - Equator.

Time taken by sun's light to reach earth is 8 minutes approx.
Time taken by the moon to revolve round the earth - 27 days, 7 hours; 43 minutes and 11.47 seconds.

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