The Challenges of Studying Volcanic Activity on Venus

There's been some evidence and indications that Venus is still active, but they're indirect. The former Soviet Union landed a handful of landers which lasted a maximum of a couple of hours. From orbit, synthetic aperture radar can see through the clouds without a problem. And so that's a great tool. A whole bunch of other stuff has a lot of problems seeing through the atmosphere. If you look at Venus through a telescope, it looks like a fairly featureless yellow blob. But if you fly right and put yourself right in orbit around it, it will still look like a featureless yellow Blob.