The Lisa mission will be really cool, I look at all the reasons why.
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The European Space Agency Mission LISA (Laser Interferometer Space Antennae) will launch in 2034 and will revolutionize the way we do astronomy. With a 2.5 million kilometre arm length it will be able to see kinds of gravitational waves that are impossible to see using Earth based detectors. Cool things it will see are collisions of super-massive black holes, orbiting white dwarf stars and measurements that will calibrate distance measures like sephid variable stars and supernovae, and it will be a new independent way of measuring the Hubble constant.
Thanks to the European Space Agency for letting me use their videos. More info about the cool work ESA are doing here: http://www.esa.int/ESA
Thumbnail image credit: NASA Goddard Space Flight Center https://www.nasa.gov/goddard
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