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Globular Star Cluster M3 by Oleg Bryzgalov on Flickr.

Turbulence in a Star Forming Region The nebula’s sparkling centerpiece is a giant, young star cluster named NGC 2070, only 2 million years old. Its stellar inhabitants number roughly 500,000....

astronomicalwonders: “ Star Cluster NGC 2074 in the Large Magellanic Cloud Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (top). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby...

A Hubble Space Telescope image of the R136 super star cluster, near the center of the 30 Doradus Nebula, also known as the Tarantula Nebula or NGC 2070.

Star cluster NGC 2074, lying about 170,000 light-years away near the Tarantula Nebula, observed by the Hubble Space Telescope. (HubbleSite)

Star Cluster Pismis 24/Nebula NGC 6357: Pismis 24 hangs over NGC 6357, a nebula about 8000 ly away in the constellation Scorpius. This picture showed that the brightest star in the cluster is in fact two stars in a tight binary orbit. Each star is about 100 times the Sun's mass. Hubble
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Star Cluster Pismis 24/Nebula NGC 6357: Pismis 24 hangs over NGC 6357, a nebula about 8000 ly away in the constellation Scorpius. This picture showed that the brightest star in the cluster is in fact two stars in a tight binary orbit. Each star is about 100 times the Sun's mass. Hubble

Super Star Cluster #Westerlund2! This cluster is so massive that it is expected to eventually evolve into a globular cluster. It hosts a dozen O-class hypergiant stars, each one with a luminosity 30,000 - 1,000,000 times greater than that of our Sun.

Pleiades Deep Field. Also known as the Seven Sisters and M45, the Pleiades lies about 400 light years away toward the constellation of the Bull (Taurus).

The Center of a Rose - Stellar Winds in NGC 2237: The stars of this Nebula were born out of its dust & are closely associated with the Nebula’s features. The Open Star Cluster in the center (NGC 2244) has several O-type stars (super hot) that generate large amounts of radiation and send Stellar Winds into the Nebula. NASA’s Chandra space observatory was able to observe colliding Stellar Winds that reach temperatures of over 6 million kelvin, that’s more than 10 million degrees fahrenheit!

This is a star-shaped quartz cluster with brilliant augelite crystals distributed between the quartz. From Mundo Nuevo Mine, Sanchez Carrion, La Libertad, Peru. Credit: Rudolf Watzl Amazing Geologist