May 18, 1980 Mount St. Helens in Washington spews smoke, soot and ash into the sky in April, 1980. Its eruption that May devestated an area of about 150 square miles. Related Links…
by Mark Hughes There are more than 140 known moons throughout our solar system. Most are barren rock, while some have atmospheres, volcanoes, and maybe even oceans of liquid…
(Encyclopedia) astroblemeastroblemeăsˈtrōblēmˌ [key], large, circular structure ranging from c.1&fslsh;2 mi to 40 mi (.8–64 km) in diameter. Astroblemes are found at numerous places on the earth'…
(Encyclopedia) Santa MaríaSanta Maríasänˈtä märēˈä [key], active volcano, 12,375 ft (3,772 m) high, SW Guatemala, in the Sierra Madre near the city of Quetzaltenango. Its eruption in 1902 was one of…
(Encyclopedia) El Chichón, volcano, Chiapas, Mexico, 40 mi (59 km) SSW of Villahermosa, rising to 3,478 ft (1,060 m). Also known as Chichonal, it had not erupted significantly in historic times until…
aerial photographerDied: March 16, 2008 (Kalamazoo, Michigan) Best Known as: pioneering aerial photographer Mary Meader was an aerial photographer who took some…
Earth's Moon is a small ball of gray rock revolving 239,000 miles around Earth. It is just one of many in the solar system. The Moon has no air and no water. It is about one-fourth as large as…
(Encyclopedia) Kurile Lake, crater lake, 29 sq mi (76 sq km), 130 mi (209 km) SSW of Petropavlovsk, Russia, near the tip of the Kamchatka Peninsula. Located in a rugged volcanic region and lying some…
There are dozens of theories to explain a probable cause or causes. Throughout the Mesozoic Era, individual dinosaur species were evolving and becoming extinct for various reasons. The unusually…
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From Russia to Canada, Kenya to Nepal, the world is dotted with bodies of water. Whether you dip your toes into a large lake with fresh water or float in the saltwater salinity of…
