Asterisms are patterns of stars. They are usually parts of constellations.
Sometimes they can be made up of stars from more than one constellation.
People don't "discover" them. People invent them.
Many must have been known since people first looked at the night sky.
You can even make some up yourself. Any pattern you see can be an asterism.
The most obvious ones have been known for a long time and some have been used by different cultures throughout history.
Either "constellations" or "asterisms".
The examples of asterisms are he BIG DIPPER AND THE NORTHERN CrOSS
Asterisms don't have magnitudes. Stars have individual magnitudes.
88 official constellations - but there are also some asterisms up there too. Asterisms are patterns of stars that aren't official constellations like, The Big Dipper, Orion's Belt, The Summer Triangle, etc.
Actual constellations such as Leo and asterisms such as the Big Dipper and Summer Triangle.
These patterns are called "Constellation's". This is a common misconception. These patterns are actually called asterisms.
yes the see the same thing
Both terms refer to visual groupings of stars. Both terms are arbitrary human conventions with no theoretical importance.
A pattern of stars in the sky is often called a Constellation.
The Big Dipper, Little Dipper, Northern Cross, and Orion's Belt are all asterisms. They're recognizable patterns that are parts of constellations but not complete constellations.
The Big Dipper is an example of an "Asterism" - a pattern of stars that are not a constellation. Other asterisms include Orion's belt, the summer triangle, the Little Dipper...
They are called "asterisms". Sometimes the word "constellation" is also used, though a constellation is not, strictly speaking, the pattern of stars; rather, it is defined by coordinate limits.