In most cases, no. In many cases they're nowhere near each other in three-dimensional space, and only appear to be near each other from our vantage point.
There are a couple of notable exceptions; for example, most of the bright stars in Ursa Major (including all the stars in the "big dipper" except for Alpha and Eta, which are the ones at each end) are part of the Ursa Major Moving group (not quite a cluster, but definitely associated with each other).
It can be called a star cluster, an open cluster or an asterism.
A grouping of stars is called a constellation. Constellations are patterns of stars in the sky that are named after mythological figures, animals, or objects. They help us navigate the night sky and tell stories from different cultures.
A constellation
The Seven Sisters, or The Pleiades, isn't a constellation. It's an open cluster of many, many stars - therefore each one has it's own magnitude. However, the open cluster itself has a combined apparent magnitude of 1.6
A constellation. (Also an asterism does this.)
The group of stars is called Constellation. I think it's cluster.
The noun 'constellation' is a singular, common, concrete noun; a word for a group of stars forming a pattern; a group or cluster of related things.The noun 'constellation' is a standard collective noun for a constellation of stars.
a group of stars is galled a constellation
A small group of stars is a cluster or a constellation of stars.
It can be called a star cluster, an open cluster or an asterism.
The proper term for a group of stars is "asterism". They can also be known as a "cluster" and/or a "constellation".
The group of stars is called Constellation. I think it's cluster.
A grouping of stars is called a constellation. Constellations are patterns of stars in the sky that are named after mythological figures, animals, or objects. They help us navigate the night sky and tell stories from different cultures.
Constellation
A constellation
A small group of stars that appear to be close together are often known a cluster. Technically its an asterism.
The Seven Sisters, or The Pleiades, isn't a constellation. It's an open cluster of many, many stars - therefore each one has it's own magnitude. However, the open cluster itself has a combined apparent magnitude of 1.6