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Colour: The Spectrum of Science

Episode 3: Beyond the Rainbow

Duration: 1 hour

on BBC Four HD

Available for years

Helen Czerski looks at the colours invisible to our eyes. To see the universe in a new light, she takes to the skies in a jet equipped with an infrared telescope. Show more

BBC Four HD

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.