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Other Notable Saturnian Moons

The other four largest moons of Saturn are Tethys, Dione, Rhea, and Iapetus. Tethys is 650 mi (1,060 km) in diameter. Its surface is heavily cratered, and it has a huge, globe-girdling…

Earthquakes Primer

About 8,000 mini-quakes a day, and on average, one exceptionally big one per year by Borgna Brunner   Earthquakes in residential areas, such as this 1964 one in Seward, Alaska, can…

Meteors and Meteorites

This crater in Arizona was caused by a 30 m wide, 100,000 ton meteor. The impact crater is 1.1 kilometers wide and 200 m deep. (Source: US Geological Survey) The term meteor for what is…

Timeline Archive

Jump to a category: World HistoryCountry HistoryU.S. HistorySociety & CultureDisastersBiographySportsEntertainmentHealth & Science World History World History: Ancient History 1–999 A.…

Réunion

Map of Réunion Status: Overseas Department Prefect: Pierre-Henry Maccioni (2006) Land area: 968 sq mi (2,507 sq km); total area: 972 sq mi (2,517 sq km…

Disasters

Aftermath of the 2011 Tohoku earthquake, the largest ever recorded in Japan. Find information about catastrophic natural and human-caused disasters. The following lists are not all-inclusive. Only…

French Possessions

Bassas da India (0.1 sq mi, 0.2 sq km), a French possession since 1897, is an uninhabited volcanic atoll off the southeastern coast of Africa in the Mozambique channel. Map of Bassas da India…

Idaho

  Idaho State Information Capital: Boise Official Name: State of Idaho Organized as a territory/republic: March 3, 1863 Entered Union (rank): July 3, 1890 (43rd state) Present constitution…

Geology of the Grand Canyon: The Eocene.

THE CRETACEOUS.THE EOCENE.The foreground of the picture is full of strength and animation. At our feet is the brink of a precipice where the profiles descend 800 feet upon rugged sloped…