50 years ago, Arecibo got an unprecedented view of Venus’ surface

Probing Venus’ mountains Science News, February 12, 1972

Venus’ perpetually cloud-shrouded surface remains penetrable only by radio waves. A planetary radar group now reports results of an extended series of radar measurements of the topography of Venus that for the first time provides a view of surface height variations around the entire circumference of the planet.

Update

Those observations were taken by the Arecibo radio telescope in Puerto Rico, which was the most powerful radar system for mapping rocky bodies in outer space until its sudden collapse in December 2020 (SN: 12/19/20 & 1/2/21, p. 8). The observatory also revealed ancient lava flows on Venus and ice on Mercury

→ Continue reading at Science News

More from author

Related posts

Advertisment

Latest posts

Calvo’s two late goals give Quakes stunning tie with Columbus Crew

SAN JOSE — It came down to the final play of the game, but the Earthquakes earned their first point of the season Saturday....

Silver alert is issued for 74-year-old man last seen in San Jose

(San Jose Police Department, California Highway Patrol) Ahn Vu, 74, listed as missing and at risk in a Silver Alert....

Reform sought for digital bias in housing, banking decisions

Among the many hurdles faced by Bay Area home buyers, communities of color often face an addition challenge: biased computer algorithms.A new study by...