George's Cosmic Treasure Hunt (33 page)

© CANADA-FRANCE-HAWAII †TELESCOPE/SCIENCE PHOTO LIBRARY

Colored optical image of the Rosette Nebula.

© ROBERT GENDLER/SCIENCE PHOTO LIBRARY

Optical image of the Tarantula Nebula.

© NASA/STSCI/AURA/ESA/A. EVANS (UNIVERSITY OF VIRGINIA, CHARLOTTESVILLE; NRAO; STONY BROOK UNIVERSITY)/SCIENCE PHOTO LIBRARY

HST image of colliding galaxies.

© ROBERT GENDLER/SCIENCE PHOTO LIBRARY

Optical image of a whirlpool galaxy.

© JPL-CALTECH/STScI/VASSAR/NASA/SCIENCE PHOTO LIBRARY

Infrared composite image of colliding galaxies.

© NASA/ESA/STSCI/AURA/SCIENCE PHOTO LIBRARY

HST image of a planetary nebula—a series of shells of gas cast off by a dying star.

© NASA/ESA/K. SAHU (STSCI)/SWEEPS SCIENCE TEAM/SCIENCE PHOTO LIBRARY

A starfield where gravitational wobbles show significant extrasolar planets.

© NASA/ESA/G. BACON (STSCI)/SCIENCE PHOTO LIBRARY

Computer artwork of an extrasolar gas giant planet, orbiting a star in the constellation Vulpecula.

© NASA/JPL/SCIENCE PHOTO LIBRARY

Computer artwork of the
Voyager
spacecraft.

© J NASA/JPL/UA/LOCKHEED MARTIN/SCIENCE PHOTO LIBRARY

Computer artwork of the
Phoenix
spacecraft on Mars.

© NASA/SCIENCE PHOTO LIBRARY

Image of the Chasma Boreale canyon on Mars.

© NASA/JHU-APL/CARNEGIE INSTITUTION OF WASHINGTON/ SCIENCE PHOTO LIBRARY

The cratered surface of the planet Mercury.

© JNASA/JHU-APL/ASU/CARNEGIE INSTITUTION OF WASHINGTON/SCIENCE PHOTO LIBRARY

Craters on Mercury.