CARLOS MUNOZ-YAGUE / EURELIOS / SCIENCE PHOTO LIBRARY CARLOS MUNOZ-YAGUE / EURELIOS / SCIENCE PHOTO LIBRARY
Thomas Quinn. Portrait of the American astrophysicist Thomas Quinn in front of an image of a celestial body. Quinn models star systems resembling our own. The models allow him to locate the approximate positions of Earth-like planets from the positions of giant gaseous planets. Large gaseous planets, such as Jupiter and Saturn in our Solar System, are necessary for Earth-like planets to form. This is because they cause perturbations and collisions between small rocks which then build up into planets. Quinn works at the Department of Astronomy of Seattle in Washington, USA. Photographed in 1997.
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