blog posts Landing on Mars: A balance of technical skill and hard-earned luck Oct 17, 2022 3:00 pm by Space.comIllinois in the News Share on Facebook Tweet Email Images Space.com (Oct. 15) U of I professor Zachary Putnam sees two problems. 'Landing really big things...for more advanced missions and human exploration, and landing lots of smaller, less expensive things at relatively low cost.' Share on Facebook Tweet Email