Souvenir Sheet: As. No. 911 (Albania 1964)
As. No. 911 (Albania 1964)
25 December (Albania ) within release Planets in the Solar System (II) goes into circulation Souvenir Sheet As. No. 911 face value 15 Albanian lek
| Souvenir Sheet As. No. 911 in catalogues | |
|---|---|
| Michel: | Mi:AL BL28 |
Souvenir Sheet is square format.
Also in the issue Planets in the Solar System (II):
- Souvenir Sheet - As. No. 911 face value 15;
- Stamp - Jupiter face value 5;
- Stamp - Saturn face value 6;
- Stamp - Uranus face value 7;
- Stamp - Neptun face value 8;
- Stamp - Pluto face value 9;
- Stamp - Sun with Planetary Orbits, Rocket face value 15;
- Stamp - Merkur face value 1;
- Stamp - Venus face value 2;
- Stamp - Earth face value 3;
- Stamp - Mars face value 4;
Souvenir Sheet As. No. 911 it reflects the thematic directions:
A planet is a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The Solar System has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter, Saturn, Uranus, and Neptune. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk. Planets grow in this disk by the gradual accumulation of material driven by gravity, a process called accretion.
The Sun, also known as Sol, is a star at the center of the solar system. It is a white star that gives off different types of energy such as infrared energy (heat), ultraviolet light, radio waves and light. It also gives off a stream of particles, which reaches Earth as "solar wind". The source of all this energy is nuclear fusion. Nuclear fusion is the reaction in the star which turns hydrogen into helium and makes huge amounts of energy. It is a nearly perfect ball of hot plasma.
