Astronomy For Kids.

Astronomy is a very serious branch of science, although many people become interested in it when they are very young. Astronomy is a thought-provoking pursuit that can teach children about the other sciences in general. Certain astronomical subjects interest kids and movies like Star Wars and they only increase this attraction.

The Earth’s nearest neighbour is the moon. Its journey around the Earth takes a little over twenty-seven days to complete. Mankind has only ever walked on the Earth and the moon. The gravity between the moon and Earth causes the tides. Its brightness in the night sky attracts many children to want to study more about it and the subject of astronomy in general.

Consider Sol, our own star, the sun. The distance between our home and the sun is huge, although it fluctuates from 91 to 94 million miles. The reason for the variance is the Earth’s elliptical orbit. If there were no sun, we wouldn’t be alive. The sun provides both light and heat to the planets. A little known fact is that the sun contains about 98% of the mass in the solar system. That is massive!

Our planet is in the galaxy called the Milky Way. Like all other galaxies it’s a very large group of gas, dust, stars and planets. Most of the area in a galaxy is filled with nothing, just empty space. That means that most of its volume, 3,000 light years high by 100,000 light years diameter, the size of our galaxy, is nothingness.

We’re situated somewhere in the neighbourhood of 30,000 light years from the central core of our galaxy. The nothingness is broken up by over 100 billion stars. In fact, the galaxy was named for the thick group of stars in the main portion of it.

It resembles a pool of liquid, which is why it was named the Milky Way. There are four kinds of galaxies: elliptical, lenticular, irregular and, like our Milky Way, spiral.

There is a great deal of information about astronomy on the Internet that is suitable for children: it ranges from dictionaries and encyclopaedic references to programs that show the paths of the different planets, solar systems and objects right on the computer’s monitor! In deed, there’s more information out there than a child could ever get through.

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