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Measuring an object’s position in the sky.

Radio Programs

Keeping Tabs Keeping an eye on a fuzzy foot May 7, 2013

Recalibrating Recalibrating a space telescope May 6, 2013

More Capella Seeing a star in a different light December 6, 2012

Gamma Cephei IV Getting messy for science September 4, 2012

Gamma Cephei III Keeping a planet on the table September 3, 2012

Gamma Cephei II A gnat’s eyelash and a distant planet September 2, 2012