When Hercules was fighting Hydra, the nine headed serpant monster, a crab scurried up and pinched Hercules' toe. This crab was a distraction in the battle, and Hercules killed it. The greek goddes Hera was impressed with the crab, and showed it's picture up in the sky.
In Greek mythology, the constellation of Cancer represents the crab that was sent by the goddess Hera to hinder Hercules in one of his battles. The crab latched onto Hercules' foot, but he defeated it by crushing it, leading Hera to place the crab in the sky as a constellation to honor its efforts.
The Greeks called the constellation Karkinos and the origin of the name cancer comes from a Latinized version of the word Carcinus, meaning crab, that appears on the Alfonsine tables.
The constellation closest to Leo is Cancer. Cancer is located to the west of Leo in the night sky.
it is a star of a crab that reprsents cancer
Greek mythology.
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If you mean the constellation cancer, there is no such thing as a "distance to a constellation". It just doesn't make sense. A constellation is basically a general direction in space.
Aside from Cancer being the dimmest zodiacal constellation, the planet Mars is in Cancer (as of 4/21/10)
5 stars are there in cancer
Cancer.
"The Crab"
It is Cancer.