/u/atom644's posts in /r/askscience

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What is the oldest animal to have ever lived?

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Why is there no liquid CO2?

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Why are aircraft contrails invisible immediately behind the aircraft? Vapor does not form until roughly 1 plane length.

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When produced in bulk quantities (such as a restaurant) which costs more: soda or ice?

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Whisper silent lightning

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What causes completely silent lightning?

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If the sun vanished, would the moon continue to orbit the earth?

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What would happen if light travelled at a much slower speed (say, Mach 10)? How would physics be different?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the oldest animal to have ever lived?	1
Why is there no liquid CO2?	1
Why are aircraft contrails invisible immediately behind the aircraft? Vapor does not form until roughly 1 plane length.	1
When produced in bulk quantities (such as a restaurant) which costs more: soda or ice?	1
Whisper silent lightning	1
What causes completely silent lightning?	1
If the sun vanished, would the moon continue to orbit the earth?	1
What would happen if light travelled at a much slower speed (say, Mach 10)? How would physics be different?	1