- Weight, nutrition, and variety pose the biggest problems for astronauts travelling to Mars.
- Plants that would require minimal tending and spacecraft real estate include: lettuce, spinach, carrots, tomatoes, spring onions, radishes, peppers, strawberries, herbs and cabbage.
- NASA expects to launch its first manned mission to Mars in the 2030s.
Tang? Freeze dried ice cream? Not so fast.
Men and women travelling to Mars will be farmers and gourmet chefs as well as traditional astronauts, according to scientists discussing a manned mission to the Red Planet.
Maintaining food supplies remains one of the greatest challenges faced by Mars mission planners, experts explained at the 242nd National Meeting & Exposition of the American Chemical Society.
NEWS: To Make Mankind Great Again, Push to Mars
Weight, nutrition, and variety pose the biggest problems, explained Maya R. Cooper, a senior research scientist in the Space Food Systems Laboratory in NASA's Johnson Space Center in Houston, Tex. For flights on space shuttles and the International Space Station, astronauts get 3.8 pounds of food per day. For a 5-year round-trip mission to Mars, that would mean almost 7,000 pounds of food per person.