22 September (United States of America ) within release Osiris-REx Mission Return To Earth goes into circulation Stamp Osiris-REx Mission Return To Earth face value FOREVER No Face Value
Stamp Osiris-REx Mission Return To Earth in catalogues | |
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Stamp Number: | Sn: US 5820a |
Stamp is vertical format.
Stamp from limited-edition press sheet. Face value US$0.63 on day of issueAlso in the issue Osiris-REx Mission Return To Earth:
Stamp Osiris-REx Mission Return To Earth it reflects the thematic directions:
Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies. It contains ultra-low levels of particle densities, constituting a near-perfect vacuum of predominantly hydrogen and helium plasma, permeated by electromagnetic radiation, cosmic rays, neutrinos, magnetic fields and dust. The baseline temperature of outer space, as set by the background radiation from the Big Bang, is 2.7 kelvins (−270 °C; −455 °F)