Asteroid

There are a lot of exciting things happening in the stars above us, astronomy so much fun. The truth is that the universe is a constantly changing, moving, some would say, "living" thing, because you just never know what you are going to see in a night of stargazing.

But the many celestial phenomena, there is probably not as exciting as this time you see your first asteroid in motion in the heavens. To call the asteroid "rock stars" of astronomy is also a bad joke, but an accurate representation of how the fans view astronomy. Unlike suns, planets and moons, asteroids are in motion, constantly changing and, if in the night sky, exciting and dynamic.

Like rock stars, asteroids have been the basis of their fair share of urban myth and lore. Many have attributed the extinction of the dinosaurs to the impact of a huge asteroid on Earth. This theory has some credibility, and if it is true, it is reminiscent of some pretty amazing images and foreboding fears Reining in the current species on the earth, the human race.
The fact that the asteroids are fast moving space debris only makes their movement and activity more interesting and exciting. Unlike the moon, stars or planets, the probability that an asteroid could hit the earth are entirely reasonable and indeed, there are many documented cases of small asteroids, which it through our atmosphere and make some pretty impressive crater in the earth's surface.

Popular culture has happily embraced the idea of an asteroid impact. The idea has spawned many science-fiction story adding the idea that alien life forms Asteroids May trip to our world and start a "War of the Worlds" situation. But by far the most talked about the approach has the imagination and the fears of science-fiction fans and the general public is another asteroid of the Earth could take that to wipe out life as allegedly happened to the dinosaurs. In fact, the film "Armageddon" was based on this idea and the concept that humanity could somehow avert disaster, with the technology.

But probably the best way to calm our fears and replace science fiction with science is understanding and knowledge. The truth is, it has a lot of study of asteroids and the serious scientific community has considerable knowledge of these amazing celestial bodies. A series of probes to asteroids have us a wealth of information about their composition and how can we predict their behaviour.

We now know that the majority of asteroids we have witnesses come from an asteroid belt between Mars and Jupiter. It is this community of asteroids that many of the remarkable asteroid. The scientists have important insights into the composition of asteroids and place them in separate classes, including the S-Class is the part of the band that is closest to Mars, Class C, D and V describes the composition and a class called " Centaurs' flight, whose patterns take them closer to Jupiter and Uranus.

Some of the NASA probes in the vicinity of flying asteroids have some pretty amazing, studies of this eccentric celestial body. In 1994, the Galileo probe has within 1000 miles of the asteroid Ida and discovered that Ida actually had its own moon.
Other probes have fired impactor asteroids and even landed on an asteroid to produce some amazing scientific data for us. There is much to learn about asteroids in our love for astronomy and the knowledge is only our perception of seeing them in the cosmos still exciting.