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Galaxies, part 1: Crash Course Astronomy #38

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Excitement for lovers of this science is to stay up all night watching the cosmos through a powerful telescope. But that fact does not seem to discourage the tens of thousands to get into astronomy each year and the huge interest worldwide with the stars, the planets and the universe. There may be no other universal human fascination that does so much to make national boundaries and even international animosity seem to evaporate. For many amateur astronomers, we sometimes cannot get enough of what we can see on this our closest space object. To take it to a natural next level, you may want to take advantage of partnerships with other astronomers or by visiting one of the truly great telescopes that have been set up by professionals who have invested in better techniques for eliminating atmospheric interference to see the moon even better. If you are not already active in an astronomy society or club, the sales people at the telescope store will be able to guide you to the active societies in your area. Once you have connections with people who have bought telescopes, you can get advice about what works and what to avoid that is more valid than anything you will get from a salesperson. There are also another site where you can enjoy some stunning pictures from the Hubble at heritage.stsci.edu. It s hard to believe how long the Hubble has been orbiting earth and sending back amazing video and pictures of what it is discovering in space. But the Hubble was actually initially launched on April 25th 1990. You may sometimes wonder where the moon came from. Was it a planet that traveled too close to Earth and was captured in our orbit? Actually, the prevailing theory of modern science is that the moon was the result of a large scale collision with the still developing Earth early in its development which caused this large chuck to spin off into an orbiting body. It s exciting to think about setting up your own viewing station whether that is on the deck of your home or having a powerful but mobile telescope set up to take to the remove countryside to really get a good shot at some breath taking star gazing. The last thing we would want to do is to take away any of the fun of your hobby of astronomy because the joy of what we do as star gazers is a big part of the appeal. 

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