50 years ago, Arecibo got an unprecedented view of Venus’ surface
Excerpt from the February 12, 1972 issue of Science News
Until its demise in 2020, Arecibo Observatory in Puerto Rico was the world’s most powerful radar system for mapping rocky bodies in outer space.
University of Central Florida
Probing Venus’ mountains — Science News, February 12, 1972
Venus’ perpetually cloud-shrouded surface remains penetrable only by radio waves.