References and Image Link Page

Astronomy Picture of the Day
    Ganymede: Torn Comet - Crater Chain, December 15, 2001
    Mysterious Features on Ganymede

Earth Observatory, NASA
    Toquepala Copper Mine, Southern Peru
        Toquepala Copper Mine, Southern Peru, Large jpg

Galileo Project, Journey to Jupiter
    Callisto Crater Chain at High Resolution Shown in Context
        Full Image

Geomorphology From Space, Goddard DAAC
    Florida Karst
    New Zealand Volcanoes

Global Hydrology and Climate Center, Lightening & Atmospheric Electricity
    Lightening Detection from Space, A Lightening Primer, page 3

Mars Orbiter Laser Altimeter (MOLA) Science Investigation
    The canals of Mars-historical note

NSSDC Image Catalog
    The Moon
        Clementine Mission
        UV/visible composite images of Tycho crater on the Moon
        Apollo 16 Mission
        Ptolemaeus crater
    Viking 1 Orbiter
        Mars' moon Phobos and Stickney crater from 1600 km

Planetary Photojournal, NASA
    PIA00549: Callisto Crater Chain Mosaic
    PIA01087: Geological mysteries on Ganymede
    PIA01264: Evolution of the P/Shoemaker-Levy 9 'Gang of Four' Region
    PIA01333: High-Resolution MOC Image of Phobos
    PIA01354: Uranus' innermost satellite Miranda
    PIA01610: Anatomy of a Torn Comet
    PIA02960: Folds on Europa

Planetscapes
    Viking Orbiter Views Of Mars, The Great Equatorial Canyons, M.H. Carr et. al., NASA SP-441, Chapter 3

The Encyclopedia of Astrobiology, Astronomy, and Spaceflight
    Antoniadi, Eugène Michael (1870-1944)
    Lowell, Percival (1855-1916)

The National Geographic, The Complete National Geographic 112 Years, "New Light on the Changing Face of Mars, A Huge Green Area Almost the Size of Texas Appears in Photographs Made by National Geographic Society-Lowell Observatory Mars Expedition to South Africa",  Dr. E.C. Slipher, 1955, pg 427-436.

SETI League
    SETI League Policy Manual
    What is SETI

Sheehan, William, The Planet Mars: A History of Observation and Discovery, The University of Arizona Press, Tucson, 1996
    Chapter 12

Space Telescope Science Institute (STSci)
    MARS: A Cooler, Clearer World

Students for the Exploration and Development of Space, SEDS
    The Nine Planets:
       Mars
        Miranda
        Phobos

The Nuclear Weapon Archive, A Guide to Nuclear Weapons
    Gallery of U.S. Nuclear Tests
        Operation Storax, Sun Beam, and Roller Coaster
        Sedan Crater
        Sedan Crater Today