9. Astronomy

EARTH-SUN-MOON-CALCULATIONS Thoughts of Astronomy While Tobogganing

EARTH’S MASS How Do They Calculate the Mass of the Earth?

ECCENTRICITY OF ORBITS Why are the orbits of our planets not equally eccentric?

ELEMENTAL ORIGINS Cosmic Origins of Atoms in a Mineral

HYDROGEN’S FORMS IN SPACE Astronomical Beauty of Hydrogen

MOON’S VARYING VELOCITY Realizations from Watching the Planets and the Moon

STARS Wezen, a Deceivingly Dim Star

VENUS CALCULATIONS Adventures With Venus

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