Question of the Week Podcast

Question of the Week episode

Mon, 21st Mar 2011

How do you calculate the distance to a star?

Eagle_nebula (c) Paul Scowen (Arizona State University) and NASA / ESA

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.

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In this edition of Question of the Week

Full Transcript

  • How can you determine the distance to a star?

    Hi Dr. Chris Your Podcast, naked astronomy, ask the naked scientist are all very interesting and excellent for science hungry people like us. Great companion during my daily walk. My question is on astronomy and very simple. When you look at distant object like stars, th...



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