| 21. | His new instrument works by reading volcanic gases from a distance, using a small telescope linked to a chemical sensor.
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| 22. | At lo, Galileo found not only glowing volcanic gases but also glowing lava hotter than what flows from terrestrial volcanoes.
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| 23. | Indonesia's Mount Anak Krakatoa exploded repeatedly over the weekend, spewing volcanic gases and rocks into the air, a report said Monday.
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| 24. | Soldiers say they smelled a foul odor but it did not smell like sulfur, which is often found in volcanic gases.
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| 25. | Mount Vesuvius spewed a deadly cloud of volcanic gas, stones, and ashfall deposits, the most well known being Pompeii and Herculaneum.
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| 26. | Sadly, her much less attractive sidekick gets swallowed up by a crack full of superheated volcanic gas in an early scene.
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| 27. | He suggests the mysterious phenomenon was caused by flammable natural gas or volcanic gas escaping from a small vent in the ground.
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| 28. | He also worked on volcanic gas analyses, using the methods of Robert Bunsen, notably on the island of Santorini ( Greece ).
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| 29. | The instruments would sense the chemical and mineral contents of the plumes, such as silicate particles and a volcanic gas, sulfur dioxide.
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| 30. | The peak has not erupted in historic times, although it emits quantities of volcanic gas and its sides are streaked with sulfur deposits.
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