Stamp: Cosmonautics Day 5-6 (Soviet Union, USSR 1963)
Cosmonautics Day 5-6 (Soviet Union, USSR 1963)
01 January (Soviet Union, USSR ) within release Day of Cosmonauts goes into circulation Stamp Cosmonautics Day 5-6 face value 10 Russian kopek
| Stamp Cosmonautics Day 5-6 in catalogues | |
|---|---|
| Michel: | Mi:SU 2751 |
Stamp is horizontal format.
Also in the issue Day of Cosmonauts:
- Stamp - Cosmonautics Day 3-6 face value 10;
- Stamp - Cosmonautics Day 2-6 face value 10;
- Stamp - Cosmonautics Day 1-6 face value 10;
- Stamp - Cosmonautics Day 4-6 face value 10;
- Stamp - Cosmonautics Day 5-6 face value 10;
- Stamp - Cosmonautics Day 6-6 face value 10;
Stamp Cosmonautics Day 5-6 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)
