The Crab: Cancer Constellation
A celestial journey through the waters of the zodiac
Cosmic Crab
Cancer, the Crab, is one of the twelve constellations of the zodiac. It is often considered the faintest of the zodiacal constellations, making it a challenge to spot but a treasure for patient stargazers.
Zodiac Sign
Cancer is the fourth astrological sign in the zodiac, representing those born between June 21 and July 22. It is a cardinal water sign, symbolizing emotion, intuition, and protection.
Main Stars
The brightest star in Cancer is Beta Cancri, also known as Tarf. The constellation is also home to the famous open star cluster Praesepe, the Beehive Cluster, visible to the naked eye.
Mythology
In Greek myth, Cancer is associated with the crab sent by Hera to distract Hercules during his battle with the Hydra. Despite being crushed, the crab was placed in the sky by Hera.
Deep-Sky Objects
Beyond the Beehive Cluster (M44), Cancer contains another open cluster, M67, one of the oldest known open clusters. These clusters are prime targets for amateur astronomers.
The Beehive Cluster: Celestial Marvel
Praesepe, known as the Beehive Cluster or M44, is the most significant deep-sky object in Cancer. This open cluster, located about 577 light-years away, contains over 1,000 stars. Ancient Greeks and Romans used it as a weather predictor; if the cluster was invisible in a clear sky, a storm was approaching. Its soft, nebulous glow has captivated observers for millennia, serving as a beautiful reminder of the cosmic community within the shell of the Crab.