The density of the stars.
it is amazing
open cluster
open cluster
open cluster
Whooooo there. That is a silly question. You or you teacher is forgetting about the total number of stars within a galaxy and cluster. Whilst a globular cluster has mainly older stars compared to an open cluster it will only contain a few billion stars, whereas a galaxy can have upwards of 500 billion stars, many of them old. So the answer is not definitive, but I think the answer you are looking for is global clusters.
the difference between installment credit and open ended credit is they are the same..
difference between miliary tuberculosis and tuberculosis
there is no difference. they are both 42.
one is open and the other is closed
The Milky Way Galaxy is a spiral galaxy and open clusters are only found in spiral or irregular galaxies.
Constellation or "asterism". The difference is that "constellations" are officially recognized by the International Astronomical Union, while an "asterism" is any other pattern or grouping of stars.
It can be called a star cluster, an open cluster or an asterism.