Scientists participate in a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. In the Ramon Crater in the desert of southern Israel, a team of six - five men and one woman - have begun simulating what it will be like to live for about a month on Mars. REUTERS/Amir Cohen

An autonomous rover is seen during a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. In the desert of southern Israel, a team of six scientists have begun simulating what it might be like to live on Mars. REUTERS/Amir Cohen

A scientist holds a drone as he participates in a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. The red-hued Ramon Crater will be home for about a month to the five men and one woman participating in the mission. REUTERS/Amir Cohen

A drone is used in a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. The six team members are constantly on camera with their vital signs monitored, and their movements inside the habitat are tracked to analyze favorite spots for congregating. REUTERS/Amir Cohen

Scientists participate in a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. REUTERS/Amir Cohen

Scientists wear their space gear in a demonstration of an experiment led by Austrian and Israeli agencies simulating a mission to Mars near Mitzpe Ramon, Israel October 10, 2021. REUTERS/Amir Cohen