* Astronomy

Earth-i plans space video network

A British company has announced its intention to launch a big constellation of Earth observation satellites.
A prototype spacecraft will go up later this year for testing, with the expectation that a further five platforms will follow in 2019.
Earth-i, based in Guildford, says its train of satellites will deliver rapid, high-resolution imagery of the planet in still and video formats.
At best resolution, these products will see features just under a metre across.
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