In the Clouds Photography specializes in photos of weather skyscapes taken by a photographer who is also an atmospheric scientist. Spectacular images of tornadoes, lightning, supercells, and other related severe weather are available, as are weather photos of a less severe nature;strange cloud forms and optical phenomenon such as rainbows, halos, and glories. Weather-related photos are a specialty ... Full description.

The NASA Visible Earth site is a searchable collection of images of the Earth taken by orbiting satellites. This section features a variety of images specifically illustrating effects of runoff. Each image is available in one or more graphic formats and sizes, and is accompanied by a description, as well as detailed metadata about how the image was obtained. Full description.

This is a single, stand alone image from the New York Times of a Glacier/iceberg flow. Location and other information is not provided. Full description.

This lithograph outlines the major mission highlights of the Interstellar Boundary Explorer (IBEX) mission, a Small Explorer Earth-orbiting spacecraft that is designed to map the distant boundary between the solar wind from our Sun and the interstellar medium. This lithograph supports a full-length planetarium show about the IBEX mission and the boundary of the Solar System. Each short activity/product ... Full description.

This set of cards highlights a different extremophile group (e.g. halophiles, thermophiles, acidophiles) with a photo of the environment they live in on the front of the card and then "stats" on the back of the card. Currently the cards are PDF's but will ultimately be printed as 2.5"x3.5" cards (in the spirit of baseball trading cards). Full description.

This lithograph describes where ozone is found, how it is formed, and the effects of ozone on biological processes. How and why NASA studies ozone is covered along with how individuals can monitor ground level (tropospheric) ozone by starting their own ozone-monitoring garden. Full description.

The National Marine Sanctuary Program identifies, designates and manages areas of the marine environment of special national significance due to their conservation, recreational, ecological, historical, research, educational, or aesthetic qualities. Access information and pictures of marine sanctuaries all over the U.S. and its territories. Discover ways to get involved with the sanctuary program, ... Full description.

This lithograph provides a full-disk view of Earth photographed by Apollo 17 astronauts, Dec. 7, 1972. The accompanying text describes the view seen in the photograph and the circumstances in which it was taken. Suggestions for activities in which the photograph can be used are also provided. Full description.

This is the education section of a larger site about the Aquarius underwater habitat in the Florida Keys. It includes classroom activities exploring concepts of buoyancy, pressure and light; a series of classroom activities exploring the biology of corals; and an on-line book about coral reef biology. Full description.

Wilson Alwyn Bentley (1865-1931), famous for his photomicrographs of snow crystals, prepared sets of glass lantern slides of dew, frost and ice crystals. He obtained thousands of photomicrographs of individual ice crystals over the course of his lifetime. Images in this collection are scanned from glass lantern slides. Most snow crystals found in nature will fit into one of these seven main categories: ... Full description.