March 17, 2015

While at @EH_Stonehenge yesterday I decided to send a message to the cosmos. #GYATM (Photo by James O.Davies)

— Buzz Aldrin (@TheRealBuzz) March 16, 2015

On Monday, astronaut Buzz Aldrin tweeted a photo of himself sporting a Mars-themed t-shirt at Stonehenge—his latest attempt to rally support for the measures needed to establish a manned settlement on the Red Planet.

In the picture, Aldrin, one of the first astronauts to walk on the moon, is standing in front of the prehistoric monument in England wearing a blue t-shirt that says “Get Your A** to Mars,” a play on the logo for the National Aeronautics and Space Administration (NASA).

As he wrote in a Nov.7, 2014, editorial for TIME about his vision for putting a man on Mars and beyond:


Write to Olivia B. Waxman at

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