Exploring Our Solar System
by Penelope Lawson, age 8
Have you ever thought about how amazing our universe is? Or how old it is and what lives there?
The sun is at the center of our solar system, and it has eight major planets. The eight planets orbit the sun in an elliptical path. Four of those planets are smaller ones: Earth, Mercury, Venus, and Mars. If you go past Mars, there are a lot of rocks floating in our solar system. These rocks are leftovers from the formation of the planets, which happened about 4.5 billion years ago.
The four giant planets are Jupiter, Saturn, Uranus, and Neptune. These planets are bigger than Earth, but they are also very light. We have giant planets and small plants in our solar system, but we also have what scientists call dwarf planets. One of the dwarf planets that is very well known is Pluto. A dwarf planet is too small to be considered a planet.
There is still so much to discover about our solar system. For example, beyond Pluto, around 1,000 icy worlds have been found recently. There will be many more discoveries to come. I can't wait for us to find them.
[Sources: European Space Agency; Planets For Kids]