Episode details

Available for over a year
How to measure things at extreme ends of the size scale. Astronomer Margaret Penston explains how large things in our galaxy are measured. Meanwhile, Neil Brown discusses the microscopic.
Programme WebsiteUse ÃÛÑ¿´«Ã½.com or the new ÃÛÑ¿´«Ã½ App to listen to ÃÛÑ¿´«Ã½ podcasts, Radio 4 and the World Service outside the UK.

Available for over a year
How to measure things at extreme ends of the size scale. Astronomer Margaret Penston explains how large things in our galaxy are measured. Meanwhile, Neil Brown discusses the microscopic.
Programme Website