/u/T0ma5reddit's posts in /r/askscience

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How did the ESA calculate a trajectory so accurate that, over the course of 10 years, the Rosetta spacecraft could rendezvous with comet 67P?

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Why didn't humans evolve to extract energy from the sun like plants?

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Is consciousness something we're born with or do we develop it later as a child?

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There's a seasaw in space which is one lightyear long. If person A at one end tips the seasaw down at the same time that person B at the other end tips their side down, what happens when the 'information' (travelling at the speed of sound through the medium) meets in the middle?

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What do scientists hope to see with the James Webb Space telescope?

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If the age of the earth is roughly 4.543 billion years, why do we say it's only the 2016th year?

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What would happen to a seesaw one lightyear long if someone either side moved it down at the same time?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How did the ESA calculate a trajectory so accurate that, over the course of 10 years, the Rosetta spacecraft could rendezvous with comet 67P?	1
Why didn't humans evolve to extract energy from the sun like plants?	1
Is consciousness something we're born with or do we develop it later as a child?	1
There's a seasaw in space which is one lightyear long. If person A at one end tips the seasaw down at the same time that person B at the other end tips their side down, what happens when the 'information' (travelling at the speed of sound through the medium) meets in the middle?	1
What do scientists hope to see with the James Webb Space telescope?	1
If the age of the earth is roughly 4.543 billion years, why do we say it's only the 2016th year?	0
What would happen to a seesaw one lightyear long if someone either side moved it down at the same time?	0