Biomass: Giant 'space brolly' to weigh Earth's forests - BBC

UK engineers are building a satellite called Biomass that will map the state of the planet's trees.

Jonathan AmosScience correspondent@BBCAmoson Twitter It looks for all the world like a giant brolly, but there's no rain where it's going. This immense reflector-antenna is heading into space, to "… [+4278 chars]

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