/u/spencer4991's posts in /r/askscience

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How large would an object have to be that from the perspective of someone standing on said object a dropped Earth would be accelerating towards the object at the same pace that a ball dropped on Earth does?

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With current technology, what is the feasibility, mission length, and probable cost of sending a probe to the nearest star?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How large would an object have to be that from the perspective of someone standing on said object a dropped Earth would be accelerating towards the object at the same pace that a ball dropped on Earth does?	1
With current technology, what is the feasibility, mission length, and probable cost of sending a probe to the nearest star?	1