Mar 11

How to keep LISA's laser on target five million kilometers away

Source: ESA

LISA will comprise three satellites, linked by lasers across five million km of
space, to track very slight spacetime distortion caused by gravitational waves.
Image credits: AEI/MildeMarketing/Exozet.

A key technical challenge of the joint ESA-NASA LISA mission has been solved: how to maintain precise pointing of a laser beam across five million km of space.(read more)

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