Here are 10 of Arecibo’s coolest achievements

Ice on Mercury, pulsar planets and a greeting to aliens are just some of the radio telescope’s hits

Arecibo telescope

The world-famous Arecibo telescope observed planets around our sun and other stars, and uncovered sources of mysterious flashes of light, such as pulsars and fast radio bursts.

University of Central Florida

The sun has set on the iconic Arecibo telescope.