cse • paper_1 • mechanicscse-1997-subject-01-005
Gravitational orbits — UPSC CSE 1997 Physics PYQ
Buy PYQ Solution Manual →Moving in a closed elliptical orbit, Halley's comet goes round the Sun once every 75 years. At its point of closest approach its distance from the Sun is 8.9 \times 10^7\text{ km}. If mass of the Sun is 2 \times 10^{30}\text{ kg}, what will be the greatest distance of the comet from the Sun ?
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