Question of the Week Podcast

Question of the Week episode

Mon, 8th Feb 2016

Why is space so cold?

M80 (NGC 6093), one of the densest of the known globular star clusters in the Milky Way galaxy. (c) NASA, The Hubble Heritage Team, STScI, AURA

The number of stars in space is huge, so why is it so chilly? Felicity Bedford spoke to Ryan MacDonald from the Cambridge University Institute of Astronomy to find out more...

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