UGC -net- GEOGRAPHY
Important theories
DIPENDU
MONDAL
1.Binary star theory--Russel and Littleton
2. The Nova theory -- Hoyle and Lyttleton
3. Heartland theory-- Mackinder
4.Gaseous hypothesis--Kant
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5. Fission theory--Rossgunn
6.Tidal hypothesis--Jeans and Jeffreys.
7. Interstellar dust hypothesis--Otto Schmidst
8. Cephied theory --A.C. Banerjee
9. Geocentric theory-- Newton
10. Planetesimal hypothesis --Chamberlain and Moulton
geographywithdip.blogspot.com
Hello, my name is Dipendu Mondal. I'm a teacher with three years of experience as a Assist.