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