Article: Observing artificial satellites!

Go outside on the next clear night and you'll find certain stars, perhaps a planet, and most likely the Moon. But what is that over there? A star moving across the sky? It's not an airplane, but it might be a satellite!

With all the natural celestial wonders to look at, it's easy to forget the artificial satellites that countries have placed in orbit around the Earth. Observing satellites can be lots of fun. It really helps if you are familiar with the night sky, because this will help you to quickly identify objects like satellites that are not part of the natural sky.

The first satellite was Sputnik 1, launched on Oct. 4, 1957, from what was at that ...

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