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Posts posted by Tali
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Thank you for the post. It's so true in an aspect of beginner's hopes and "demands". You buy a telescope and if you're in a "hurry" you may make terrible purchase. And then you set it up and want to see planets and everything just like they show it in the news. Oh the disappointment. Such a downer! Your post is excellent and I really appreciate honesty. Thanks to your post - us beginners - can really learn how and what to enjoy and perceive as success
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What Can I Expect to See....?
in Getting Started With Observing
Posted
One more thing. Since you said that there are no stupid questions then I will take a liberty to ask about something. I know that asteroids are relatively small, rocky chunks of matter that shine like small stars, but orbit the Sun like planets. Most asteroids, or minor planets as they are sometimes called, are made of carbon-rich rock, while others (those farthest from the Sun) contain iron, nickel, and a few other elements. One asteroid, Pholus, is coated with a red material that may be organic compounds similar to those that form living material.
Asteroids vary in size from 580 miles (940 kilometers) in diameter (Ceres, the first asteroid discovered) to 33 feet (10 meters) in diameter. Most are so small their size cannot be measured directly. They are generally irregular in shape and vary in brightness as they rotate.
Read more: http://www.scienceclarified.com/As-Bi/Asteroid.html#ixzz3D5NMIszN