10 September (Cambodia ) within release 500th birthday of Nicolaus Copernikus goes into circulation Stamp Nicolaus Copernikus-Apollo face value 10 Cambodian riel
Stamp Nicolaus Copernikus-Apollo in catalogues | |
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Michel: | Mi:KH 390A |
Stamp is square format.
Also in the issue 500th birthday of Nicolaus Copernikus:
Stamp Nicolaus Copernikus-Apollo it reflects the thematic directions:
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy. Examples of topics or fields astronomers study include planetary science, solar astronomy, the origin or evolution of stars, or the formation of galaxies. A related but distinct subject is physical cosmology, which studies the Universe as a whole
A spacecraft is a vehicle that is designed to fly and operate in outer space. Spacecraft are used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo. All spacecraft except single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket).