Tuesday 3 February 2009

Edward Hopper Soir Bleu

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fissure eruption on the slopes of Mauna Loa on the island of Hawaii. Similar, but much larger, eruptions may have killed the dinosaurs.Massive volcanic eruptions: An alternate theory for the low, flat, featureless Martian northern hemisphere is that huge lava flows simply erased any previous features.things so much that Europeans called 1816 "the year without a summer" — it snowed in June, and summer frosts killed crops across the Northern Hemisphere.
Moving up the scale, the Mount Toba supervolcanic eruption in Sumatra 75,000 years ago may have cooled the planet enough to force the early human population through a genetic "bottleneck" as most people died, leaving the few survivors to repopulate the world.
Similarly, there's good evidence that the dinosaurs back on Earth were killed not by an asteroid, but instead, or additionally, by enormous eruptions in what now is India.
Even moderate eruptions, which kick up huge amounts of soot and dust, blocking sunlight, can have climatic effects. The eruption of Mount Pinatubo in the Philippines significantly cooled the planet in 1991-92, as did Indonesia's Krakatoa in 1883.
More effective was Mount Tambora on the other end of Java in 1815, which

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