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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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.

Halley’s comet, fireballs and Ramadan
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October 8th, 2010

Elizabeth Cunnigham answers more of your questions. This month we find out when Halley’s comet can be seen again, what a fireball was doing in the sky above Ireland and when the end of Ramadan is.

When is dawn for Ramadan?
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August 6th, 2010

Elizabeth Cunningham, Planetarium Astronomer, investigates what time dawn is for Ramadan and how it is measured.

Christmas sky-watching
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December 11th, 2009

Claire Bretherton tells you what to look out for in the night sky this December… apart from Santa.

Claire Bretherton tackles a question about the Moon and Mars
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August 7th, 2009

Astronomer Claire Bretherton tackles another of your questions: ‘will Mars look as big as the Moon this month?’ Find out the answer and what else to look out for in the night sky this August.

Claire Bretherton answers your questions about telescopes in space and dark matter
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April 1st, 2009

Astronomer Claire Bretherton answers some of the more challenging questions you’ve left on the Big questions answered phone line. This time it’s all about telescopes in space and the ever-mysterious dark matter.

Claire Bretherton answers your questions about the stars, planets and the Moon
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February 25th, 2009

Claire Bretherton answers a fresh batch of your astronomy questions, this time about the stars, planets and the Moon.

Claire Bretherton answers your questions about shooting stars, planetary rings and stardust
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December 12th, 2008

Claire Bretherton answers another selection of your questions. Listen in to find out more about shooting stars, why some planets have rings around them, and if it’s true we’re all made from stardust.

Claire Bretherton answers your questions about the Moon
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November 21st, 2008

Claire Bretherton answers questions you’ve left on our new Big questions answered phone line. This month, discover why we can see the Moon in the daytime, why Moon-landing conspiracy theories don’t convince astronomers, and what we can see further out into space.