abstract constellation

abstract constellation插图

When were the boundaries of the modern constellations defined?

The boundaries of the modern 88 constellations ( listed below) were defined in the early 20th century. The constellation list was produced by American astronomer Henry Norris Russell and adopted by the International Astronomical Union (IAU) at its General Assembly in Rome in May 1922.

Where did the constellation list come from?

The constellation list was produced by American astronomer Henry Norris Russell and adopted by the International Astronomical Union (IAU) at its General Assembly in Rome in May 1922. Russell also provided three-letter abbreviations for each of the 89 constellations (the 88 modern ones and the Greek constellation Argo, which was later dropped).

How many constellations are there according to Russell?

Russell also provided three-letter abbreviations for each of the 89 constellations (the 88 modern ones and the Greek constellation Argo, which was later dropped). The constellations on Russell’s list corresponded to those listed in the Revised Harvard Photometry star catalogue (1908), published by Harvard College Observatory.

What year were the Russell constellations listed?

The constellations on Russell’s list corresponded to those listed in the Revised Harvard Photometry star catalogue (1908) , published by Harvard College Observatory.

How many constellations are there?

There are 88 constellations officially recognized by the International Astronomical Union (IAU). 36 modern constellations predominantly lie in the northern sky, while 52 are found in the southern celestial hemisphere. Most constellations (more than 40) represent animals. Many were named after humans or figures from mythology, …

Who created the constellation list?

The constellation list was produced by American astronomer Henry Norris Russell and adopted by the International Astronomical Union (IAU) at its General Assembly in Rome in May 1922.