/u/sk941's posts in /r/askscience

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If humans colonize Mars, and everything that arrives from Earth goes through a germ sterilization process, will communicable diseases (such as cold and flu) be effectively eradicated there?

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Because cats and dogs have more sensitive hearing, is a vacuum cleaner's noise comparable for them to the discomfort we humans would have if there was, say, a jet engine in the room?

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If a large meteorite happened to hit earth right where you were standing, what would actually cause your death? Would you die from heat, or a shockwave that travels ahead of the meteor, or would it be from the actual impact of the meteor to your body?

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Cats and dogs hate and are scared of the sound of vacuum cleaners. Because they have more sensitive hearing than humans, does a vacuum cleaner sound to them the equivalent level of noise of a jet engine in the house for us?

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If a large meteor was detected that was going to hit earth, how far in advance before impact would they be able to predict the exact location on earth it would hit?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If humans colonize Mars, and everything that arrives from Earth goes through a germ sterilization process, will communicable diseases (such as cold and flu) be effectively eradicated there?	1
Because cats and dogs have more sensitive hearing, is a vacuum cleaner's noise comparable for them to the discomfort we humans would have if there was, say, a jet engine in the room?	1
If a large meteorite happened to hit earth right where you were standing, what would actually cause your death? Would you die from heat, or a shockwave that travels ahead of the meteor, or would it be from the actual impact of the meteor to your body?	1
Cats and dogs hate and are scared of the sound of vacuum cleaners. Because they have more sensitive hearing than humans, does a vacuum cleaner sound to them the equivalent level of noise of a jet engine in the house for us?	1
If a large meteor was detected that was going to hit earth, how far in advance before impact would they be able to predict the exact location on earth it would hit?	1