Monday, May 20, 2019

Solar System on cover from Indonesia

The Solar System is the gravitationally bound planetary system of the Sun and the objects that orbit it, either directly or indirectly. Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, such as the five dwarf planets and small Solar System bodies. Of the objects that orbit the Sun indirectly—the moons—two are larger than the smallest planet, Mercury. Indonesian Post issued this beautiful set on 1.1.2001.

Thank you, Irene!

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