PHOTOS: 7 Extreme Female Explorers
But she has a point; it's likely that we'd see older astronauts making the interplanetary hop in the future. Radiation levels will be high during transit to Mars, so individuals beyond childbearing age will likely be chosen as the "first wave" of colonists.
What's more, Tereshkova is probably one of the more qualified people on the planet to endure the Mars trip. She completed 48 orbits around Earth during her historic mission when she was 26-years-old and was selected to work in a team analyzing the viability of a mission to Mars.
"But we know the human limits. And for us this remains a dream. Most likely the first flight will be one way. But I am ready," she told reporters.
Images: Top: Valentina Tereshkova speaking at Star City, Moscow, on June 7. Middle: Cosmonaut Tereshkova in her space suit helmet in 1963. Credit: Corbis