11. It is not known to be a member of a moving group of stars . 12. In astronomy, a "'bulge "'is a tightly packed group of stars within a larger formation. 13. They belong to the Zeta Herculis Moving Group of stars that share a common origin. 14. Prior to that time, astronomers had assumed that nebulae were simply unresolved groups of stars . 15. These bulges are huge, tightly packed groups of stars . 16. :There used to be a religion that thought that groups of stars " were " gods. 17. This is an Wolf 630 moving group of stars that share a common trajectory through space. 18. It is still possible that the two types of variability occur in different groups of stars . 19. It is a shrub with small leaves and small groups of star -like, yellowish and pink flowers. 20. Another person's telescope magnified the Beehive Cluster, a group of stars held together by gravitational attraction.