Planetary Systems Now Forming in Orion . ... To help find out, the Hubble Space Telescope was tasked to take a detailed look at one of the more interesting of all astronomical nebulae, the Great Nebula in Orion . ... Some proplyds glow as close disks surrounding bright stars light up, while other proplyd s contain disks further from their host star, contain cooler dust , and hence appear as dark silhouettes against brighter gas. ... NASA Web Site Statements, Warnings, and Disclaimers . ...