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A Galaxy Group: Is the smallest grouping and usually contains less than 50 galaxies.A Galaxy Cluster: Is larger than a group and usually contains between 50 to 1,000 galaxies.A Supercluster: Is the largest collection of galaxies and will contain many groups and clusters.I think you mean group of galaxies. A group of galaxies is groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They form the densest part of the large scale structure of the universe.
They are so massive that they remain gravitationally bound to together.
A binary star.
Two stars that are gravitationally bound to each other are sometimes called "binary stars".
The universe is the entire region of space from which light has had time to travel since the instant of the big bang. The universe consists of a hierarchy of natural structures. Simple, cohesive structures bound together by gravity include the planets and stars. At larger scales, vast aggregations of matter include the galaxies which are enormous gravitationally-bound stellar populations. Most astronomers believe that there is more matter than what we can observe.
its the universe with our planets and moons in it
When objects are bound gravitationally in centrifugal motion, the objects are said to be in orbit of each other.
I am not quite sure what you mean by "independent". It is gravitationally bound to our galaxy (the Milky Way); that is, it rotates around the center of the Milky Way.
Every particle of matter in the universe is in the sun's gravitational 'field', althoughit may not necessarily be gravitationally 'bound' to the sun in a closed orbit. Thegravitational force that attracts two masses to each other is never zero, no matterhow far apart they are.That means that every particle of matter in the universe is also in the gravitationalfield of you.
They are bound to the sun in closed orbits by mutual gravitational attraction. Those that had too much kinetic energy to be captured and gravitationally bound to the sun, weren't, and they're gone.
A Galaxy Group: Is the smallest grouping and usually contains less than 50 galaxies.A Galaxy Cluster: Is larger than a group and usually contains between 50 to 1,000 galaxies.A Supercluster: Is the largest collection of galaxies and will contain many groups and clusters.I think you mean group of galaxies. A group of galaxies is groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They form the densest part of the large scale structure of the universe.
A Galaxy Group: Is the smallest grouping and usually contains less than 50 galaxies.A Galaxy Cluster: Is larger than a group and usually contains between 50 to 1,000 galaxies.A Supercluster: Is the largest collection of galaxies and will contain many groups and clusters.I think you mean group of galaxies. A group of galaxies is groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They form the densest part of the large scale structure of the universe.
They are so massive that they remain gravitationally bound to together.
A binary star.
A binary star.
Binary Stars
Two stars that are gravitationally bound to each other are sometimes called "binary stars".