1. The globular star clusters that surround the Milky Way also seem to come in two age groups.

2. Featured in the sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away and 150 light-years in diameter.

3. The Pleiades star cluster is also called the Seven Sisters.

4. The star cluster of the Pleiades is located at 28 degrees Taurus.

5. Featured in this sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away.

6. Dusty stellar nursery RCW 49 surrounds young star cluster Westerlund 2 in this remarkable composite skyscape from beyond the visible spectrum of light.sentencedict .com

7. The star cluster is embedded in a nebula , which spans some 110 light - years .

8. A number of stars have possessed names since antiquity — Aldebaran, for instance, means "the follower" in Arabic, as it seems to follow the Pleiades, or Seven Sisters star cluster, across the sky.

9. Left of Venus, the bright star Aldebaran anchors the V-shaped Hyades star cluster.

10. This compact grouping of stars seen on our sky's dome is an actual star cluster.

11. Near the outskirts of the Small Magellanic Cloud, a satellite galaxy some 200 thousand light-years distant, lies 5 million year young star cluster NGC 602.

12. Hurtling through a cosmic dust cloud a mere 400 light-years away, the lovely Pleiades or Seven Sisters star cluster is well-known for its striking blue reflection nebulae.

13. The moon will be about halfway between the tiny dipper-shaped Pleiades star cluster and the V-shaped Hyades star clusters.

14. Sliding your cursor over the picture will identify the planets, the stars of Leo, and a long-recognized star cluster in Coma Berenices.

15. An image taken by the Hubble Space Telescope gives the clearest view ever of the Quintuplet star cluster.

16. The closest star system, Alpha Centauri, and the giant Omega Centauri globular star cluster also shine in the starry night.

17. Whenever Antares sets in your southwest sky, the Pleiades star cluster in the constellation Taurus the Bull rises into your northeast sky.

18. In mid-April, Mars wandered remarkably close to Cancer's famous star cluster M44, the Beehive Cluster.

19. A nugget of cold molecular hydrogen , called a Bok globule , is silhouetted against the star cluster.

20. NASA says there are 100,000, all squeezed (relatively speaking) into a small portion of the Omega Centauri star cluster.