NGC 7635: The Bubble . ... Credit Copyright: Eric Mouquet Explanation: What created this huge space bubble? Blown by the wind from a star, this tantalizing , ghostly apparition is cataloged as NGC 7635, but known simply as The Bubble Nebula . Astronomer Eric Mouquet's striking view utilizes a long exposure with hydrogen alpha light to reveal the intricate details of this cosmic bubble and its environment. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...