A constellation is a set of fixed stars or unrelated stars that form an imaginary pattern. Claudius Ptolemy: The oldest known complete collection of constellations dates back to Claudius Ptolemy, who in the second century BC. Presented / displayed a catalog of 1022 stars, grouped in 48 constellations.
How to find it easily:
Place yourself in an area without light, and if possible choose a day when there is no full moon. ...
Always look from right to left, counterclockwise. ...
No telescope or special equipment is required.
To orient ourselves at night we must find the North Star in the constellation of the Little Bear, which marks the North in the Northern Hemisphere, and the constellation of the Southern Cross, in the hemisphere. South, this constellation marks a direction to an imaginary point where we find the South.
Important constellations:
1. Ossa Major
2. Ossa Menor
3. Taurus
4. Orion
History of Ossa Major:
According to Greek mythology, the great bear is represented by Calixtus, who was a nymph of Artemis and like her goddess, had to remain a virgin. Nevertheless Zeus fell in love with her and seduced it leaving pregnant and when finding out Artemisa, as punishment transformed in this to Calixto to give hunting him.
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