... Credit: HST images Explanation: In this dramatic artist's vision , debris along the outer reaches of a planet forming disk orbits in the glare of a distant sun. ... Combined with infrared images from the Spitzer Space Telescope that show debris disks around known planet bearing stars, the data provide the first direct link between extrasolar disks and planets, suggesting a scenario where evolving planets scatter debris produced by collisions into giant disks. ... The Trifid Nebula in Stars and Dust ...