In May 2018, a radar facility in Tromsø, Norway trained its antennas on GJ237b, a potentially habitable exoplanet located 12 light years from Earth. Over the course of three days, the radar broadcast a message toward the planet in the hopes that there might be something, or someone, there to receive it. Each message consisted of a selection of short songs and a primer on how to interpret the contents.
Learn about your ad choices:
dovetail.prx.org/ad-choices
