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precisely foracast. Very elaborate arrangements are being made for its thorough study all the world over. America, Russia, Japan and France are among the pioneers in this field. They propose to conduct some crucial experiments on it with the help of satellites and rockets. They hope to get the inside story of the origin of the solar system from these experiments,
The Halley's comet appears regularly after every 76.1 years. How many visits it had already completed is not exactly known. To the scientific world it had certainly completed 29 visits and will be appearing for the thirtyfourth time in 1986. Though its existence even before 240 B.C. is quite evident from unconfirmed source, it still requires historical evidence to suport this claim and here in this article we are able to establish with concrete proof its existence upto 526 B.C.
For the known history of the last 2500 years if we prepare a chart of the appearance of Halley's comet (according to calculations) it would be as under :
S. No.
Years as per calculation
Sighting confirmed in history
wiem non
1910 1833 1758 1682 1607 1531 1456
10.
1301
1986 February (to be) 1910 January 1833 1757 1681 1605 1529 1453 Pope Calixtus III 1377 1301 1225 1149 1072 996 920 844 768 692 616 540 464
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