name a few mordern constellations?
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what is hydrus? Small constellation in the deep southern sky. what are its characteristics? Irregular in shape and its tail has been shortened to make space for this last constellation he had drawn up. name a few stars in the constellation? Beta Hydri, Alpha Hydri, etc. where did the second star get its name from? Chinese system who decribed the constellation for the first time? Goes back to prehistory. what does deep sky objects mean in the context of the constellation? UNANSWERABLE
Orion, Leo or Scorpius. There are 88 modern constellations which usually share the names of their Graeco-Roman predecessors, such as Orion, Leo or Scorpius. Orion, Leo or Scorpius
Constellation Constellation Constellation
88 modern constellations 88 modern constellations 88 modern constellations
Where possible, these modern constellations usually share the names of their Graeco-Roman predecessors, such as Orion, Leo or Scorpius.  In 1922, Henry Norris Russell produced a general list of 88 constellations and some useful abbreviations for them. However, these constellations did not have clear borders between them. In 1928, the International Astronomical Union (IAU) formally accepted 88 modern constellations, with contiguous boundaries along vertical and horizontal lines of right ascension and declination developed by Eugene Delporte that, together, cover the entire celestial sphere; this list was finally published in 1930. Where possible, these modern constellations usually share the names of their Graeco-Roman predecessors, such as Orion, Leo or Scorpius. The aim of this system is area-mapping, i.e. the division of the celestial sphere into contiguous fields. Out of the 88 modern constellations, 36 lie predominantly in the northern sky, and the other 52 predominantly in the southern. Orion, Leo or Scorpius. The aim of this system is area-mapping, i.e. the division of the c
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Constellation [SEP] Introduction
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived outline or pattern, typically representing an animal, mythological person or creature, or an inanimate object. The origins of the earliest constellations likely go back to prehistory. People used them to relate stories of their beliefs, experiences, creation, or mythology. Different cultures and countries adopted their own constellations, some of which lasted into the early 20th century before today's constellations were internationally recognized. The recognition of constellations has changed significantly over time. Many have changed in size or shape. Some became popular, only to drop into obscurity.