How did Tropic of Cancer get its name?

Answer 1

The Tropic of Capricorn originates from the constellation Capricornus, which marked the southern limit of the plane of the earth's orbit with the celestial sphere, along which the sun appears to move as viewed from the earth in ancient times.

Answer 2

from about 2000 years ago when the sun was entering the Constellation Capricornus (Capricorn is Latin for Goat Horn) at the December Solstice. The word Tropic comes from the Greek word Tropos meaning turn. A time when the sun seems to 'turn back'

Answer 3

it got a life