Science, Technology, Space Exploration & Meteorites

ALS signed “Anton,” one page, 8.25 x 11.75, March 21, 2015. Letter to fellow cosmonaut Oleg Artemyev, written while on board the Int

Flown cover carried on Soyuz MS-10 and Soyuz MS-12, signed in ink by Oleg Kononenko, David Saint-Jacques, Anne McClain, Aleksey Ovchinin, Nick Hague,

Flown cover carried to the International Space Station on Soyuz TMA-17, signed on the ISS in ballpoint by 28 astronauts, including the crews of TMA-17

Circa 1980s Soviet ZSH-6 LP high-altitude pilot and cosmonaut helmet, as worn by Mig-25/Mig-31 pilots at altitudes over 70,000 feet and by cosmonauts

Ring-bound NASA checklist entitled "System Reference Book," used in training for the Approach and Landing Tests of the the prototype Space...

Jeff Hoffman's collection of flown toiletries carried on his various Space Shuttle flights, including STS-46 and the STS-61 Hubble rescue missio...

Jeff Hoffman's "Cargo Systems Manual: ASTRO-1" manual used in training for STS-35, 8.5 x 11, published by NASA's Mission Operation...

Jeff Hoffman's flown EVA comfort gloves carried on STS-61 and worn during three spacewalks for the repair of the Hubble Space Telescope, sealed ...

Jeff Hoffman's flown ring-bound "Ascent Checklist" carried on the Space Shuttle Columbia for STS-75, 6 x 8, featuring translucent plas...

Jeff Hoffman's long segment of flown electrically conductive tether carried on STS-46 and STS-75 as part of the Tethered Satellite System (TSS) ...