The even more challeging thing is the clouds that are highly corrosive of sulfuric acid in Venus's atmosphere and the fact that the planets surface temperature is over 800 degrees Fahrenheit makeing these far more extreme than anything humans encounter on Earth as said by the author in paragraph 3"a thick amtosphere of almost 97 percent carbon dixiode blankets Venus"."Even more challeing are the clouds of highely corrosive sulfuric acid in venu,s atomsphere".