Ellen Stofan

Being able to have a laboratory on Mars, being able to have some sort of sustained human presence on Mars in the future, I think, is critically important for science.
Being able to have a laboratory on Mars, being able to have some sort of sustained human presence on Mars in the future, I think, is critically important for science.
Rotate quotes
critically  future  human  

These are some quotes by American author Ellen Stofan Scientist, who was born on February 24, 1961.