She was a true role model for girls when I was growing up. The first US woman in space has died at the very young age of 61 due to pancreatic cancer.

US President Barack Obama called her a "national hero and a powerful role model" who "inspired generations of young girls to reach for the stars."

"Sally's life showed us that there are no limits to what we can achieve and I have no doubt that her legacy will endure for years to come," he added, in a statement offering condolences to Ride's family and friends.

NASA administrator Charles Bolden said in a statement Ride "literally changed the face of America's space program" and that "the nation has lost one of its finest leaders, teachers, and explorers.

AFP

She wore comfortable shoes.