From the June 2011 issue

A pair of planetary conundrums

Some scientists think acid rain may not be the oddest form of precipitation on Venus. And on Saturn, researchers can’t measure precise wind speeds because they don’t know how fast the planet rotates.
By | Published: June 27, 2011 | Last updated on May 18, 2023
Saturn-winds

Some scientists think acid rain may not be the oddest form of precipitation on Venus. And on Saturn, researchers can’t measure precise wind speeds because they don’t know how fast the planet rotates.