On the day after we celebrated International Moon Day, honouring the 53rd anniversary of Neil Armstrong’s historic walk on the moon, we find out a little more about the second man on the moon.

Former astronaut Buzz Aldrin is auctioning off his space jacket, the one pictured above.

Aldrin is now 92 and the last living member of that Moon mission.

The jacket, going on the block at Sotheby’s July 26th, is fire-proof and expected to sell for upwards of $2 million.