Skylab 4 t-shirt - NASA's Skylab 4 (SL-4 & SLM-3) Inspired graphic tee science apparel and merchandise Get your science geek on

Get your science geek on with a Nitrogen T-Shirt

051 astronaut-utilization hours were tallied by Skylab 4 astronauts performing scientific experiments in the areas of medical activities

solar observations

"Space: the final frontier

—Richard Feynman

Skylab 4 t-shirt - NASA's Skylab 4 (SL-4 & SLM-3) Inspired graphic tee science apparel and merchandise Get your science geek onSkylab 4 (also SL 4 and SLM 3) was the third manned Skylab mission and placed the third and final crew aboard the first American space station. The mission started on November 16, 1973 with the launch of three astronauts on a Saturn IB rocket from the Kennedy Space Center, Florida and lasted 84 days, one hour and 16 minutes. A total of 6,051 astronaut utilization hours were tallied by Skylab 4 astronauts performing scientific experiments in the areas