{"product_id":"ssbuv-in-orbit-calibration-commemorative-vintage-cover","title":"SSBUV In Orbit Calibration Commemorative Vintage Cover","description":"\u003cp data-start=\"1090\" data-end=\"1190\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e \u003c\/p\u003e\n\u003ch3 data-start=\"0\" data-end=\"58\"\u003eSSBUV In-Orbit Calibration Commemorative Vintage Cover\u003c\/h3\u003e\n\u003cp data-start=\"60\" data-end=\"307\"\u003eThis vintage commemorative postal cover celebrates the in-orbit calibration of the \u003cstrong data-start=\"143\" data-end=\"192\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSolar Stellar Ultraviolet Spectral Irradiance Monitor\u003c\/span\u003e\u003c\/span\u003e (SSBUV)\u003c\/strong\u003e, an important scientific instrument used to study Earth’s upper atmosphere and monitor changes in the ozone layer.\u003c\/p\u003e\n\u003cp data-start=\"309\" data-end=\"672\"\u003eDeveloped through collaboration between \u003cstrong data-start=\"349\" data-end=\"390\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eNASA\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e and the \u003cstrong data-start=\"399\" data-end=\"440\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eNational Oceanic and Atmospheric Administration\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e, the SSBUV instrument was designed to measure ultraviolet radiation from the Sun and stars. These observations helped scientists calibrate satellite sensors and improve the accuracy of atmospheric and climate monitoring from space.\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"957\"\u003eThe cover features mission-themed artwork and a commemorative postal cancellation marking this important step in satellite-based atmospheric research. Programs like SSBUV contributed valuable data used to better understand ozone depletion and long-term changes in Earth’s atmosphere.\u003c\/p\u003e\n\u003cp data-start=\"959\" data-end=\"1087\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA distinctive collectible for enthusiasts of Earth science missions, satellite technology, and historic space research programs.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"The Space Store","offers":[{"title":"Default Title","offer_id":48217173491929,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1504\/5330\/files\/Screenshot2026-03-09at11.16.29AM.png?v=1773236091","url":"https:\/\/thespacestore.com\/products\/ssbuv-in-orbit-calibration-commemorative-vintage-cover","provider":"The Space Store","version":"1.0","type":"link"}