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After the airship Hindenburg II burned up because of the Hydrogen gas it used. Over 200 people were killed. After this, people realized that Hydrogen was too dangerous to be used. So, they started using Helium, an inert gas.
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∙ 13y ago
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∙ 15y agoIt is discovered in 1868.
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∙ 11y agoThe first evidence of helium was observed on August 18, 1868 in the sun (sepctroscopically).
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∙ 8y agothe date of the discovery of helium is 1868
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∙ 13y ago1783 by Jean-Fracois!
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∙ 11y ago1868 (in the sun's spectral lines)
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∙ 14y ago1895
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∙ 13y ago1938
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What year was helium discovered in?
Helium was discovered in 18951868
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What year was helium discovered in?
Helium was discovered in 18951868
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me
