Planet Earth!
"Big Blue Marble", the most famous picture ever taken of the Earth, and the most reproduced image of anything, was taken by the outward-bound crew of Apollo 17 on Dec 7, 1972.
The Geological Society of America. Their
history of the Earth is here
The Center for Earth and
Planetary Studies at the National Air and Space Museum - lots of pictures of the Earth,
and hot topics too!
Want to find out what some place on the Earth looks like right now? This Earth Viewer can show you.
The Earth page at Los Alamos
National Labs.
The US Geological Survey Field Office at
Flagstaff, Arizona.
The Earth page
from SEDS, and another on Climate, Weather
NASA's Mission to Planet
Earth will study the global environmental and our natural resources.
My collection of spinning Earth animated gif files.
The Earth is bombarded by winds driven off the sun. These cause auroras when they strike the Earth's magnetic field. This page shows the Earth's auroras right now.
Impacts on the Earth and impact craters are discussed on the meteorites page.
Volcanoes
USGS Hawaiian Volcano Observatory
National Park Service page on Hawaiian Volcanoes
Earth's Active Volcanoes
Volcano Information Center
Mt St. Helens
Volcano World
Global Climate Change
The Illinois State Museum has a nice discussion of the ice ages, and the astronomical causes of the ice ages.
