Examples of using Open clusters in English and their translations into Italian
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This makes open clusters very useful in the study of stellar evolution,
Open clusters are also easily detected in many of the galaxies of the Local Group.
The Canis Major Dwarf Galaxy may also have associated open clusters, including Dol 25 and H18, and possibly AM 2.
They are mainly observed in young galactic structures such as open clusters, the arms of spiral galaxies,
The Canis Major Dwarf Galaxy may also have associated open clusters, including Dolidze 25 and H18, and possibly AM 2.
Under exceptional conditions, open clusters can remain intact for up to 100 million years.
There are over 1,000 known open clusters in our galaxy, but the true total may be up to ten times higher than that.
It is most distinct in many, but not all, galactic open clusters, but it is also noticeable in many intermediate-age globular clusters
Partly because of their small total mass, open clusters have relatively poor gravitational cohesion.
Open clusters are not seen in elliptical galaxies: star formation ceased many millions of years ago in ellipticals,
Many open clusters are inherently unstable,
It is thought that the open clusters may have formed due to the dwarf galaxy's gravity perturbing material in the galactic disk and stimulating star formation.
Many open clusters are inherently unstable,
as time goes on, the stars in open clusters get scattered apart by the gravity of other passing stars.
were notable for being absent from all open clusters that had been studied up to that time.
some other nearby stars followed the color-luminosity relation that is also followed by stars in open clusters as seen in a Hertzsprung-Russell diagram.
However, the stellar density in open clusters is much lower than that in globular clusters,
While open clusters and globular clusters form two fairly distinct groups,
Although there are a few hundred known open clusters within that age range, a variety of reasons limit the chances of finding a member of an open cluster in a planetary nebula phase.
Because open clusters tend to be dispersed before most of their stars reach the end of their lives,