answer these questions....
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Answer:
a.Instead of a perfectly-circular orbit, Earth's orbit around the Sun is slightly elliptical. ... The combination of Earth's elliptical orbit and the tilt of its axis results in the Sun taking different paths across the sky at slightly different speeds each day. This gives us different sunrise and sunset times each day.
b.Indian Standard time is the time observed throughout India and Sri lanka, and GMT or Greenwich Mean Time is the clock time at the Royal Observatory in Greenwich, London. Indian Standard Time is 5 hours and 30 minutes ahead of Greenwich Mean Time.
c.The earth has been divided into 360 degrees of imaginary longitudinal lines. Now, these 360 degrees divided by the 24 hour day, results in 4 minutes per longitude. Thus, if you move from one longitude to the next the difference will be of 4 minutes. 360 degree = 24 hours, so 1 hr = 15 degrees, 1 degree = 4 minutes.
d.Jantar Mantar is an observatory constructed by Maharaja Jai Singh of Jaipur in 1724. The essential purpose of the Jantar Mantar was to accumulate astronomical tables which in turn would help predict the time and movement of the celestial bodies such as the sun, moon and other planets.
e.Indian Standard Time is the time observed in India and Sri Lanka. It passes through Allahabad. India has a time of GMT+5:30. It's main importance is that it helps us in scheduling partys, functions, etc.
f.The Earth orbits the sun once every 365 days and rotates about its axis once every 24 hours. Day and night are due to the Earth rotating on its axis, not its orbiting around the sun.
g.But this time is counted on an average basis. ... According to the GMT theory,4 minutes of time difference is occurred for 1° longitudinal distance. So the actual local time difference between mumbai and kolkata is (15°30'X4) = 62 minutes. If the local time of Mumbai is 3 p.m.
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