http://news.nationalgeographic.com/news/2009/11/091102-cosmic-rays-galaxies-picture.html
(Courtesy of National Geographic)
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10 comments:
I didn't get really get anything in the end of this article, although I got some of the info is the first half. I don't know why it is important why they track where the cosmic rays came from in the first place. But it's interesting how far the explosion of the star makes the cosmic rays travel.
I think this article is interesting, although I will challenge the statement at the end of the article about cosmic rays being belched out of black holes, those are actually quasars, and have a much higher radiation level. @ Brandon F: It's important to track where cosmic rays come from so if we were ever to trap one, we would know where it came from and also things about the star that had supernovaed. (I don't think that's a word) : )
I also think that there are too many space articles here.
I really liked this article. I think it is cool how they tracked the particles from the cosmic rays and found their origin. This could lead us to find supernovas, black holes, and planets with strong gravities. We could find strong gravities because the gravities are like mirrors- they reflect the course of the cosmic ray and shoot it off in a different direction. I also that it was awesome how it can almost travel at the speed of light! I imagine if they could find something faster than light in the universe.... (Chuck Norris :). Can anyone remind me if the supernovas ever turn into black holes or some stars turn into black holes and others into supernovas? It would be really helpful.
Well Noah, kind of both. When the star burns of its gas, it turns into a supernova. Then the stuff that is leftover turns into a dense object known as a neutron star. If it is too large, the gravitational forces will overwhelm the neutron start and it will slowly shrink. Eventually it will shrink and become a black hole.
I never knew that cosmic rays travel by STARS!!!!! This was really cool.... Overall, I thought that this article was AWESOME!!!!!!!
I found this article very interesting. I had known about gamma rays and all this stuff but it finally put it all together for me. I do agree with Declan about the last part of the article. But all and all this was a very interesting article.......Good Job Noah.
I thought that this article was very informitiveund this article very interesting. I never would have thought that higher amounts of gamma rays would be coming from the starburst galaxy M82
This article was REALLY interesting, but I dont really get all the stuff that they said about black holes
although, I agree with Daharen (Dharan) The article was very informative and interesting. I diffidently think that its important to track what the cosmic rays origin is from, + its interesting.
Thanks Brandon F. But, do all of the stars become black holes? Will WE become a black hole?
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