Two crescent moons
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March 28th, 2012

Elizabeth Cunningham answers a Big Question from a caller seeing two crescent moons.

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August 13th, 2011

Marek Kukula talks with artist and blacksmith Matthew Luck Galpin about his installation at the Royal Observatory, and how it was to work with meteorites.

Where to see asteroid YU55 from Earth
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July 4th, 2011

Find out where the best place to view asteroid YU55 is, and how close it will come to the Earth.

Yuri Gagarin – the first man in space
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April 6th, 2011

Marek Kukula reveals how the 50th anniversary of Yuri Gagarin’s flight into space is being celebrated, and how you can get involved where you live.

The 28-inch telescope
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March 11th, 2011

Marek Kukula reveals why the 28-inch telescope is bigger than it sounds.

Alice Everett, a woman in science
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March 11th, 2011

Rebekah Higgitt reveals the life of Alice Everett, one of the first paid women to work at the Royal Observatory, Greenwich.

Bradley’s Zenith Sector
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February 10th, 2011

Marek Kukula reveals how an object that looks like a copper drainpipe proved that the Earth is moving through space.

Astronomia
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November 26th, 2010

Marek Kukula reveals another of his favourite objects, but this time it’s not inside the Museum.

The regulator that kept Gibraltar on time
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November 26th, 2010

Rory McEvoy talks about the astronomical regulator in Greenwich that controlled the timeball in Gibraltar.

James Glacier, astronomer and death-defying meteorologist
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November 26th, 2010

Rebekah Higgitt reveals how ROG employee James Glaisher had a near-death experience while studying the weather in a balloon.