CG4: A Ruptured Cometary Globule . ... Credit Copyright: David Malin ( AAO ), AATB Explanation: The odd looking "creature" to the right of center in the above photo is a gas cloud known as a cometary globule . This globule, however, has ruptured. Cometary globules are typically characterized by dusty heads and elongated tails. ... Cometary globules are frequently the birthplaces of stars , and many show very young stars in their heads. ... NASA Web Site Statements, Warnings, and Disclaimers . ...