Word: craterous
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...picture above shows the planet's great northern volcano, Olympus Mons, the largest known to man. Its multiringed crater measures some 50 miles across and towers 15 miles above a base that stretches for some 375 miles, roughly the distance between San Francisco and Los Angeles. The volcano was observed from a height of 5,000 miles on a Martian morning in midsummer. The clouds rimming the volcano are seasonal, limited to spring and summer; scientists postulate that they may be formed when ice condenses from the atmosphere as it cools while moving up the crater's flanks...
...International Astronomical Union (IAU) may name a crater in the moon's Sea of Tranquility after a deceased Harvard professor of Astronomy and Astrophysics, a spokesman for the Harvard-Smithsonian Center for Astrophysics said this week...
...hole which may be named the Menzel Crater is located in the southeast portion of the Sea of Tranquility and is 3.7 kilometers in diameter, making it the most significant feature in the area, Cornell said...
Yamaguchi's faith proved well founded. Army engineers attempted to control the lava by exploding water bombs designed to cool the molten rock and dam its flow, but found their efforts ineffective. Hawaiians tried more traditional means. Flying over the crater, they sacrificed three bottles of gin to the angry goddess. Last week Kilauea gave a final mighty burp and dozed off. The lava flow topped and began to cool into black rock -only some 400 yds. from Kalapana...
...lander; and a photo proving that something-wind, a tremor, a frost heave-has caused a portion of the Martian surface to slump since it was photographed last October. The most spectacular shot in the current album is a "down the hole" look into the summit caldera, or crater, of Mars' Olympus Mons, a volcano that dwarfs the earth's mightiest peak, Mount Everest. Olympus Mons measures 600 kilometers (375 miles)-the width of the state of New Mexico-across its base and towers to 27.4 kilometers (90,000 ft.)-three times the height of Everest...