Soap Bubble Planet

By Richard Beech

Macro photograph of the swirling colours of a soap bubble against a black background. A soap bubble is a very thin sheet of water sandwiched between two layers of soap molecules. The film of soapy water surrounds a bubble of air. The thickness of the film - or rather, its thinness - determines whether iridescence is apparent. Light is reflected from both the inner and outer surface of the soap bubble.

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