This is a comment I found in one online article about the universe. If your online skills are really good, you should be able to track it. Anyone up to the challenge?petrocrab wrote:
"Interesting that quasars and blazars likely are the same phenomenon. I remember when quasars were first discovered (yes, I am a living fossil). They were the farthest observable objects in the known 
universe; thus, they were ranked among the oldest cosmic features.
If quasars and blazars really are the same, I wonder if that might be a clue about the way in which the universe is formed. It seems to me that blazars and quasars may be evidence of a continuum of mini-big bangs, in an open-ended time line.
Maybe there was no single Big Bang. Maybe the Cosmic Party has always been going on, and maybe it always will. "
There is new information coming up everyday about the universe. Amazing!!! A couple of months ago there was this article in the front page of Yahoo about some physicists in Switzerland who are trying to recreate the conditions of the Big Bang.
Susana recommended this video (you need a really really fast connection, though, and it lasts 7:44 min.) She also mentioned this interactive page on black holes (let´s see if you can find one mentioned in our quiz).
Cesar just shared this 23 second video about a quasar. I wonder what happened in second number 12 ... And Edgard this one about an exploding star.
Estefanía has suggested this video about truths and lies about Black Holes and José Mauricio this one of a new black hole.
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10 comments:
Woahhh until i arrive tho the first article of comments jejeje. THe universe is composed by many black objects as the quasars, the blazars and the black holes, but as we now it's very difficult to find one of them in the space either all the technology artefacts that we have. As the lecture of the first quiz said there are just 2 blackholes found, because it very difficult to observe them.
=) Indeed, according to additional research on the topic, scientists believe that quasars and blazers are closely related, and concluded that quasars are a specific type of blazers.
A blazer is a compact and variable energy source, according to scientists are associated with black holes.
The quasars emit electromagnetic energy and are far from our point of reference (our planet), and experiencing a very high redshift.
It is believed that quasars (and blazers) are characteristic of the early stages of evolution of galaxies (and of our universe), which would explain why only observed at distances of billions of light years, while such objects have not been found in nearby galaxies.
That is, these objects are very old (=S), very bright, so they can be distinguished from the ground. =) Appear to be related also to the active cores of young galaxies.
"http://www.youtube.com/watch?v=TUJGT3-p87g&feature=PlayList&p=126B16A2F7B43DE7&playnext=1&playnext_from=PL&index=10"
I think this video is very interesting, is called "the truth and lies about black holeS" Take a look of it:)
Estefania Millan
A quasar is a powerfully energetic and distant galaxy with an active galactic nucleus, a blazar is a very compact and highly variable energy source associated with a presumed supermassive black hole at the center of a host galaxy, and a black hole is a region of space in which the gravitational field is so powerful that nothing, including light, can escape its pull.
All these concepts are very interesting, and since they all refer to the universe, it is related between them.
Both videoes have very good information, and the interactive page has a lot of curious information that always are necessary to know them. =D
both videos and the information were very interesting.. they have information that i unknown.. like a quasar emit electromagnetic energy.. and the blazer is a compact and variable energy source, they are associated with black holes..
Both phenomenon are very interesting because they are very difficult to observe them..
The information is very interesting. I think would be very amazing to recreate the conditions of big bang!
This is the link of a video about a new black hole discovered:
http://www.youtube.com/watch?v=t4bZx_HKR-Y
A type of galaxy with immense energy output in the form of high energy radiation. These are one of the most energetic entities in the universe and are powered by supermassive black holes. Blazers are now known to be quasar galaxies in which one of their two oppositely directed, relatively narrow beams of energy/particles is pointed toward Earth, which makes it seem more powerful than most other quasars that point their beams elsewhere.
i dont understand the differences between blazers and quasars. but i like the last video very much. so many things in this article! i could't take the quiz! mi pc is so slow! i think that black holes are very neccesary for the universe because i see it like a kind of filters to all matter that exist in universe. i wonder if we may endeed this way! i've heard we can end with the explossion of the sun. I wonder how are the black holes look for down because all the pictures and videos show it from up.
Vanessa Garcia
Really nice, is so amazing how we can connect some ideas, that we could think in a moment that they are not related, but actually they are, and they can give us many information about an event or something.
Like the case of quasars, they are small galaxies with a lot of energy, are located in black holds, they are formed when two galaxies collapsed, they are really shine. So we can use them like a clue to believe in the Big Bang Theory… because they help Scientifics to solve the interrogation about the age of the universe.
Carla Guadalupe Cabello López
The text says that that blazars and quasars may be evidence of a continuum of mini-big bangs, that is amazing and really interesting…it is possible? If It is, what it means?
Blazars and quasars are both very bright and if we talk about them like mini big bangs they have to be far away and that implies that maybe there is other blazars that we can’t see right now but they are out there…this makes us think how big can be the universe, even when we talked in class that the space doesn’t have a edge….but I'm not sure, I think there are some limits but we can’t see it and maybe we will never see it.
Sorry, I am a little philosophy in this moment, but it is not bad to think of these different ideas.
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