CLOSURE: Central Library will be closed Tuesday, July 21, through Saturday, July 25, while emergency repairs are made to the building’s cooling system. We expect to reopen Monday, July 27. Click for more details on holds, program schedules, and returns during the closure. 

eVideo Kanopy

Experiencing Hubble

Summary

Visit some of the hottest, most luminous stars in the galaxy, the young cluster known as Westerlund 2. Compare this group with other star clusters, using the Hertzsprung-Russell diagram.

Subjects