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Question of the Week, from the Naked Scientists
VetenskapLife Science

How do you calculate the distance to a star?

3 min•21 mars 2011
In the absence of a giant ruler, how does one go about measuring how far the Earth is from a star? Simon Singh explains in this QotW. Plus, we ask where in the world gravity feels strongest. Like this podcast? Please help us by supporting the Naked Scientists

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