Check the listing for details. NASA NASDA Spacelab J Microgravity & Life Sciences STS-47 Space Shuttle Mission. Condition: New. Listed at 12.50 USD. NASA NASDA Spacelab J Microgravity & Life Sciences STS-47 Space Shuttle Payload. Patch is approximately 3.5" x 4.25". Spacelab J, the primary payload and mission of STS-47, was a joint mission between NASA and the National Space Development Agency of Japan (NASDA) — which used a crewed Spacelab module to conduct microgravity research in materials and life sciences. Materials science investigations covered such fields as biotechnology, electronic materials, fluid dynamics and transport phenomena, glass and ceramics, metals and alloys, and acceleration measurements. Life sciences included experiments on human health, cell separation and biology, developmental biology, animal and human physiology and behavior, space radiation, and biological rhythms. Test subjects included the crew, Japanese koi fish (carp), cultured animal and plant cells, chicken embryos, fruit flies, fungi, plant seeds, frogs and frog eggs, and oriental hornets. This patch is from my personal collection from a smoke free and pet free home.Thank you for looking at my listing. Please see my other listings for more space patches and other items.