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Q: What are galactic associations and clusters?
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What are billions of stars held together by gravitational attraction?

They form galaxies, galactic clusters, and galactic superclusters.


What evidence supports the big bang theory pulsars or galactic clusters?

For sure - galactic clusters. Expansion of the universe is demonstrated via the redshift of galactic clusters (outside of the local galactic cluster which hosts the Milky Way galaxy). Pulsars may also provide some insight into expansion via the emission of their light signatures, but it is not generally considered a specific support (in and of itself).


What is the radius of a galactic cluster?

Galactic clusters radii range from 1 to 5 Megaparsecs. A megaparsec is about 3.3 million light years.


Why do globular clusters spend more time in the galactic halo than in the plane of the disk?

study


Did the galactic cluster support the big bang theory?

The existence of galactic clusters is consistent with the Big Bang although it would be equally consistent with the alternative Steady State theory.


What Is thin gas and clusters of stars surrounds the disk of the milky way galaxy?

what is the thin gas and clusters of stars surrounds the disk of the Milky Way Galaxy.


What is the spherical region surrounding the disk of a spiral galaxy which contains globular clusters and reddish population II stars called?

The Galactic halo is the spherical region surrounding the disk of a spiral galaxy which contains globular clusters and reddish population II stars.


What is found in the Milky Way galaxy's galactic halo?

"The halo primarily contains individual old stars and clusters of old stars ("globular clusters"). It may be over 130,000 light years across. The halo also contains "dark matter," which is material that we cannot see but whose gravitational force can be measured." to shorten the answer - individual stars, clusters, and dark matter.


Which of these Tracers can best be used to map the spiral structure of our galaxyClouds ofcool hydrogen H2 regions OB associations Young open clusters?

Clouds of cool hydrogen.


What has the author Adrian Melott written?

Adrian Melott has written: 'Optimizing the Zel'dovich approximation' -- subject(s): Power spectra, Many body problem, Galactic clusters, Cross correlation


Where in space would you look for a globular cluster?

In the Milky Way galactic halo, orbiting the galactic center in a long elliptical orbit around the galactic center


What has the author Geoffrey Stuart Burks written?

Geoffrey Stuart Burks has written: 'A study of the galactic halo using RR Lyrae stars, globular clusters, and 3C273 with the International Ultraviolet Explorer'