Also really cool are the first pictures from Venus from the USSR Venera missions: <a href="http:&#x2F;&#x2F;www.space.com&#x2F;18551-venera-13.html" rel="nofollow">http:&#x2F;&#x2F;www.space.com&#x2F;18551-venera-13.html</a><p>The environmental challenge here was of course far greater than for Mars.