This image, acquired by the satellite Pioneer Venus Orbiter, shows a thick layer of clouds that completely obscure the surface of Venus, which lies beneath them.
NASA
<a rel="nofollow" class="external free" href="https://starchild.gsfc.nasa.gov/docs/StarChild_Spanish/Images/StarChild/solar_system_level2/pvo_venus.gif">https://starchild.gsfc.nasa.gov/docs/StarChild_Spanish/Images/StarChild/solar_system_level2/pvo_venus.gif</a>