Mars landings require a fully automated seven minute sequence of heat shields, parachutes, and rockets, since thin atmosphere, entry speeds of 13,000 mph, and Earth communication delays make real time human control impossible during descent.
Arriving safely on Venus and Titan: Different atmospheres affect heat shields differently, study shows
Testing Heat Shields for Different Atmospheres
Testing Heat Shields for Different Atmospheres
Testing Heat Shields for Different Atmospheres
Sandia tests heat shields for space - EurekAlert
Money to burn: Wealthy, white neighborhoods losing their heat shields
Astronaut Candidates Learn About NASA Ames, Heat Shields, and More
