A netizen asked : Are all constellations related to physics?
Answer: To be honest - there is no physical reason to connect these points like this
If you get rid of the existing one, you can easily connect these points in a completely new way, possibly creating some more convincing shapes than the existing ones - I mean what exactly is Libra? They don't look like Libra at all!
Snake Head Cap – Yes, that’s a slender shape that looks like a snake, but then again, so is Draco hilt . and Ursa , Casino , and scorpion tiger sign. Aquarius most. and Pisces.
Seriously, you can make a snake with any set of ancient stars
This is the bit of the stars I found
numbers for the constellation
see how many meaningful shapes you can make
Of course, sometimes there are some stars that obviously come together (like the belt of Orion), but most of the time, if a star enters Cygnus , or Pegasus , this is completely arbitrary!
To emphasize that these groups are random, consider the fact that although they appear close in the night sky, the stars in the constellations are often separated by far distances, and the stars on both sides of the sky are closer than those in the same constellation!
Illustration: Constellation diagram drawn by Frederick de Witt in 1670
For example, Sirius ( Canis ) and Barnard star ( Ophiuchus ) have an angular distance of 163 degrees - they are almost opposite in the night sky
However, their distance is only fourteen light-year !
Compared with the distance between Sirius and Gamma Marius, this is one of the closest stars to Sirius, with a distance of 393 light years from Gamma Marius!
So, we classify Sirius and Gamma Dog Malos as "Malos Dog", but not Sirius and Badna, although the distance between these two stars is more than 27 times that of the former!
Do you think this is a good combination of biological bodies?
No, no, no. This is a completely arbitrary grouping that depends entirely on the location of the earth, not some deeper physical proof.
However, as you have guessed the name "Malos Gamma Dog", the constellation is still used in physics.
We use them to locate objects in the night sky by connecting them to the given constellation.
For example, it is reported that we have discovered the farthest quasar in history, its name is ULAS J1342+0928.
Illustration: ULAS J1342+0928 is the farthest distance among the known quasars, and the supermassive black hole in its center is also the oldest and most distant known. The redshift z=7.54 reported, exceeding the quasar that was previously considered the most distant, z=7 ULAS J1120+0641. Quasar ULAS J1342+0928 is located in Madhya . The report pointed out that the mass of the related supermassive black hole is 800 million times that of the sun.
Now, its position can be given in a variety of ways, the most precise ones are ascending and falling (13h, 42m, 08.10s and +09^28'38.61" respectively) but these intuitions do not mean anything – so if you want to know roughly what the position of something is in the sky?
You use the sign of it.
so that we can report that ULAS and others are in the constellation of Madhya, and we can roughly understand his position and its position relative to other major celestial bodies - don't have to calculate the angular coordinates in our mind!
Another example I'm dealing with is something called the Kirin ring, which is the controversial material ring of origin in our galaxy - you guessed it, it's located in the Kirin sign.
The most famous example you may know is Sagittarius A*, which is suspected to be the supermassive black hole in the center of the Milky Way.
Guess which zodiac sign it is located in? No prizes!
So while the constellations do not serve as the physical basis of grouping mechanisms, we keep them because of habit and use them as a regular (albeit arbitrary) division of the sky, which allows us to provide roughly seats for possible objects (possibly found)
In star map , which I sometimes see in the system, this is the most extreme – the constellations are actually the area of space! They do not draw small lines connecting these points, they just divide the map into 88 areas and label them with the names of the constellations.
Illustration: The constellation is actually the projection of the stars seen from the earth on the celestial sphere .
If we start the astrophysics study again, without any historical burden, we will not re-implement this system. We'll use something more unified and logical as our "rough" coordinate system , rather than this rather interesting but totally non-physical system.
Reference
1. Wikipedia
2. Astronomical nouns
3.curry Li Jiali-forbes
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