Air Quote by Buzz Aldrin

The Martian atmosphere is very thin. It's like our atmosphere at 100,000 feet.

— John M. Grunsfeld

You could warm Mars up, over time, with greenhouse gases.

— Elon Musk

“Even the most optimistic scenarios for reengineering the Martian atmosphere are projected to take nine hundred years. Yet within that time frame, humans are…

— Stephen L. Petranek

The society of life on Mars, or the challenge of making Mars more livable, will have significant benefits on our attempts to modify and…

— Buzz Aldrin

Human beings are fragile things, and for the period of time it takes to get them to Mars and back, you have dangerous radiation…

— Paul Allen

Science may carry us to Mars, but it will leave the earth peopled as ever by the inept.

— Agnes Repplier

It's great that people are interested in Mars.

— Anonymous

Exploiting Mars, sooner or later, is going to happen. These are gigantic opportunities for the human race.

— Robert Bigelow

We want people to continue learning new things about what space does to the human body. It's important for us to understand that and…

— Peggy Whitson

Mars does not have an atmosphere and does not have a magnetic field today, so the planet doesn't have the protection from radiation that…

— David Grinspoon

We could have human intelligence in orbit around Mars, building things there.

— Buzz Aldrin

Going to Mars would evolve humankind into a two-planet species.

— Buzz Aldrin