... Young Star Cluster Westerlund 2 . ... Infrared data from the Spitzer Space Telescope is shown in black.. The Starry Night of Alamut . ... In silhouette against a crowded star field toward the constellation Scorpius, this dusty cosmic cloud evokes for some the image of an ominous dark tower. ... The Sun setting through Earth's atmosphere. ... Abell 2218: A Galaxy Cluster Lens . ... Almost all of the bright objects in this Hubble Space Telescope image are galaxies in the cluster known as Abell 2218. ...