?????????? ?????????? � ?????? 19
??????? ??????? ???????? ?????? ?????
???????:
- ???????? 12, 1809 ?? ?????????.
???????:
- ??? ???????? ??????????? ??????.
- ???? ????????????? ????? ????.
- ?????? ????????? ?????? ???????? ????? ???????????.
- ??????? ????????????, ????? ?????????????? ??????? ??????? ?????????? ??????? ?????? ???????????? ?????????? ???????? ?????????????????.
???????? ?????? ???????????:
- �?????? ?????????� ??????? ???????? ?????????.
- ???? ???????????? ????????????, ?????????????, 1859 ??? ??????? ????????????? ??????? (The Origin of Species) ??????? ????????? �????? ????????????.
- ??? ???????????????? ????????????????? ????? The voyage of the Beagle ???? ???? �???????? �????????????.
- ?????????? ?????????????????? ?????? ???? ??????? �???????? ???????� ??????? �??????????? ??????????? ?????� ???????????.
??????:
- ??????? ???????? �1882-?????? 19?? ?????????.
????? ?????? ?????? ?????
???????:
- 15 ?? 1859 ?? ?????????.
???????:
- ???????? ????????????.
- ?????? ???? ??????, ??????????,????????? ??????? ??????????? ?????????????????? ????????????? ??????.
- ????????????? ??????? ????????? ???? ?????? ?????????.
??????:
- 1903 ??? ??????? ?????? ?????????,???? ?????? ?????????? ???????? ?????????????? ????? ??????? ????????? ????????.
- 1903??? ????? ???????? ???????,?????? ?????????? � ???? ?????? ?????????????.
????????????????:
- ??????? ?????????? ?????????????????? �’?????????? ?????’ (Torsion Balance) ????? ?????????????.
- ???? ??????? ????????? ??????????? ??????? ??????? ????? ?????? ????? ????????????? ???????? ???? ????? ‘?????? ????’ ????? ????????????????.
- ‘???? ???? ???????????? �?????????????.
- ??????? ?????????? ??????????? ????????? ????????? ??????? ????????, ???????? ????????, ?????? ???????? ????????????.
??????:
- 19 ?????? 1906 ?? ?????????.
????? ????????? ????: ?????????
-
1975?? ????? ?????? 19?? ????, ?????? ???????? ????????? ?????? ?????, ???? ????? ???????????? ??????????? ???? ??????????????� ?????????? ???????????.
-
???? ??????? ??????????? ?????? 19?? ???? ?????????? ?????????????? ????????.??????? ????????? ???????? ????????? 40 ???????? ??? ???????.
- ????????? ????????? ???????, ??????? ??????? ????????? ????????????????.???? ??? 360???? ?????. ???????? ??????? ?????? 619 ???? ????????? ?????? ?????? �???????, ???????????? ??? 5 ??????? ??????? ???????????.
-
??????????????? ??????????? ????????? ????????? ????? ??????????, ???? ????????? ???? ????????? ??????????? ?????.
??????? ??????? ???????�??????? ?????�????? ?????? ?????????
Velaivaippu Seithigal 2021
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