PERSPECTIVE

In an earlier post about the Grand Canyon, I mentioned the age of a couple of the rock layers. Here are the years of some other things, living and non-living, in this universe. First of all, the universe is 13.82 billion years old. The sun is around 4.6 billion years old. The Earth is 4.54… Read More PERSPECTIVE

THE SUN

The Sun is considered a star, it is the center of our Solar System. Eight planets and the now considerd a dwarf planet, Pluto, revolve around the Sun. There are 156 known moons in the Solar System, moons revolve around their own planets. The Sun is around 4.6 billions years old and it has a… Read More THE SUN

THE EARTH’S MOON

The most luminous object in our sky is the moon, especially at night. The moon has no light of its own, but shines by sunlight reflecting from its surface. The moon orbits the Earth, which takes appoximately 29 days to completley circle. There are eight phases of how the moon appears, principal and intermediate. NEW… Read More THE EARTH’S MOON