The high life

The sky is full of microscopic life, some of which might even trigger rain or snow

By Douglas Fox, 18:44 PM November 28, 2012




The alien invaders arrived quietly. Only one man noticed as they drifted down from the sky.


Donald Barber was an astronomer at Norman Lockyer Observatory. Its telescopes sat on a grassy hill surrounded by farmland on the south coast of England. Barber was using the telescopes to measure the light from far-off stars. He captured the starlight in photographs produced on glass plates coated with chemicals, like the film in an old camera. It was only after Barber developed those photographic p...

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