Science Source December 28, 2009 DVD

This massive littoral, or steam, explosion occurred when hot lava entered the sea along the Kalapana shoreline on the southeast coast of Hawaii. The i...

This massive littoral, or steam, explosion occurred when hot lava entered the sea along the Kalapana shoreline on the southeast coast of Hawaii. The i...

This massive littoral, or steam, explosion occurred when hot lava entered the sea along the Kalapana shoreline on the southeast coast of Hawaii. The i...

This massive steam plume was created when hot lava entered the sea along a Hawaii's Kalapana shoreline. The plume is thousands of feet high and rises...

Littoral (or steam) explosions occur when hot lava enters the sea along a shoreline, which is also known as a littoral zone. In this image we see an e...

This littoral, or steam, explosions occurred when hot lava entered the sea along the Kalapana shoreline on the southeast coast of Hawaii. In this imag...

Bicycle sales on a street in Kano, Nigeria, during the dust storm caused by the Harmattan.

Geothermal Steam Wells and Seperators at Comision Federal de Electricidad (CFE) geothermal power operations at Los Azufres, near Morelia in Michoacan...

Geothermal Steam Well and Seperator at Comision Federal de Electricidad (CFE) geothermal power operations at Los Azufres, near Morelia in Michoacan St...

Geothermal Steam Wells and Seperators at Comision Federal de Electricidad (CFE) geothermal power operations at Los Azufres, near Morelia in Michoacan...

Geothermal power plant at Comision Federal de Electricidad (CFE) geothermal power operations, Los Azufres II, near Morelia in Michoacan State. The ste...

Geothermal power plant at Comision Federal de Electricidad (CFE) geothermal power operations, Los Azufres II, near Morelia in Michoacan State. The ste...

Binary geothermal power plant with condensers and cooling towers at the Ormat Ormesa (East Mesa) geothermal power complex near Heber in southern Calif...

Binary geothermal power plant with condensers and cooling towers at the Ormat Ormesa (East Mesa) geothermal power complex near Heber in southern Calif...

Binary geothermal power plant with condensers and cooling towers at the Ormat Ormesa (East Mesa) geothermal power complex near Heber in southern Calif...

Binary Geothermal Power Plant at the U.S. Navy China Lake Naval Air Weapons Station near Ridgecrest, California. Four power plants at China Lake produ...

Three illustrations showing the crumpling and wearing of the earth over geologic time. At top can be seen the great crumples and folds in the early cr...

Toyota Prius being filled with gasoline in Florida. The Prius is a "hybrid electric" car, powered by a hybrid synergy drive.

Toyota Prius driving in Florida. The Prius is a "hybrid electric" car, powered by a hybrid synergy drive.

Bicycles collected by a high school environmental club for recycling and re-use. The bikes are donated to a non-profit organization, Pedals for Progre...

Bicycles collected by a high school environmental club for recycling and re-use. The bikes are donated to a non-profit organization, Pedals for Progre...

Bicycles collected by a high school environmental club for recycling and re-use. The bikes are donated to a non-profit organization, Pedals for Progre...

Teenage students using a laptop interfaced sensor to test stream water for chemical indicators of quality, such as chlorine, nitrates, phosphates, pH,...

Gazing at starry sky from slopes of Mount Damavand, a giant volcano in northern Iran.

Moonlight over the Kitt Peak National Observatory, near Tucson, Arizona. The large dome holds the Mayall 4-meter telescope. The summit of Kitt Peak is...

View from the top of Kitt Peak, in Southern Arizona, looking south toward the Mexican border.

Constellations Scorpius and Sagittarius, and the Milky Way's brightest section toward the galactic center some 26,000 light years away from the Earth.

Moonlight over the Kitt Peak National Observatory, near Tucson, Arizona. The large dome holds the Mayall 4-meter telescope. The summit of Kitt Peak is...

The historic 24 inch diameter Clark refractor telescope was used by Percival Lowell at the turn of the century to make his famous observations and dra...

Mars, at its brightest near opposition with the Earth, shining above the active double volcano of Taftan on the border of Iran with Pakistan.

Circumpolar star-trails above Deh Namak caravansary on the ancient Silk Road, Iran.

Starry Winter night. Stars of constellations Canis Major (with Siriusm the brightest star of night sky) and Lepus.

The erupted comet Holmes in the starry night sky over the Lut Desert in Iran. A thousand years old minaret is pictured against constellations Auriga,...

Moonlight illuminates the Alborz Mountains of Iran while stars of the constellation Scorpius and the band of Milky Way rise from the eastern horizon.

An Analemmatic Sundial and a large model of an Astrolabe in Dubai Children City, UAE.

A large model of an Astrolab in Dubai Children City, UAE.

The sun setting over the horizon.

The Milky Way and Jupiter seen above the cloud-covered volcanic cone of Mount Damavand in Iran.

Lonar, an impact crater located in Maharashtra, India. The crater is 1.8 kilometers across and 170 meters deep, and estimated to be 50,000 years old.

Meade 16 inch LX200 "Schmidt Cassegrain" telescope, housed in an educational observatory in Isfahan University, Iran.

An amateur astronomer observe the sky using a computerized (GoTo) Schmidt Cassegrian telescope. The GoTo uses software to automatically point a telesc...

An amateur astronomer with a refractor telescope on a tracking mount, taking photos of the starry sky.

An amateur astronomer observing the sky in the twilight.

Meteor Crater, Arizona. It is also called the Barringer Crater, after the mining engineer who first suggested that it was formed by a meteor impact. I...

Our Milky Way galaxy seen from from the Finger Lakes Region of New York State. Note the light pollution seen around the horizon.

Our Milky Way galaxy seen from from the Finger Lakes Region of New York State. Note the light pollution seen around the horizon.

A microscopic view of an inkjet printer head. The circular hole is the ink nozzle and the flow is often controlled with electrostatics. The magnificat...

A microscopic view of an inkjet printer head. The circular hole is the ink nozzle and the flow is often controlled with electrostatics. The magnificat...

A microscopic view of an inkjet printer head. The circular hole is the ink nozzle and the flow is often controlled with electrostatics. The magnificat...

A cell phone dropped in water, creating a splash.