The sun is the star of our solar system. It provides light and heat, and enormous radiation. It is a population 1 star and was created in the late stages of the unverse's evolution.
Earth
Earth is a large, dense inner planet. It has geological activity and life exists on Earth. It has one natural satellite, the Moon.
Composition
silica
alumina
lime
magnesia
Quick Facts
Here are a few interesting facts about the moon:
Moon Quick Facts
The Moon is in synchronous rotation with the Earth. It always shows the same face to the Earth.
The Moon is the brightest object in the sky, after the Sun.
The Moon is the only celestial body, other than Earth on which humans have set foot.
Solar System Facts
Our solar system has 8 planets.
There is an asteroid belt between Mars and Jupiter.
Six of the planets have natural satellites or "moons".
Our Solar System