Thursday, February 14, 2013

Hubble Goes to the eXtreme to Assemble the Deepest Ever View of the Universe


Jasmine Diaz                                                                           January 15, 2013
Earth Science   (C-Even)                                                         Ms. Davies

"Hubble Goes to the EXtreme to Assemble the Deepest Ever View of the Universe." Www.spacetelescope.org. N.p., n.d. Web. 14 Feb. 2013. <http://www.spacetelescope.org/news/heic1214/>.

            During September 2012, astronomers assembled an advanced picture of the deepest-ever view of the Universe. The photo was assembled through the Hubble Space Telescope data, from 2003 and 2004. By collecting this data, the resulting image revealed thousands of galaxies, both near and far, which made this picture the farthest image of the Universe ever taken, at this time. The new eXtreme Deep Field, or XDF, image is even more delicate than the original Hubble Ultra Deep Field image. More than two thousand images of the same area were taken with the Hubble’s two main cameras. These cameras included the Advanced Camera for Surveys, and the Wide Field Camera 3, which extends the Hubble’s vision into near-infrared light. These photos were then combined to form the XDF. The new image revealed many galaxies, both nearby and distant. Overall, it was found that within the pictures contained about 5500 galaxies. Some interesting aspects found within the photo were galaxies that contain similar features to the Milky Way, galaxies with spirals, large, fuzzy red galaxies, and even new stars were found. The XDF revealed galaxies that are older than 13.2 billion years, meanwhile the Universe happens to be 13.7 billion years old. Before the Hubble was launched in 1990, astronomers could only see galaxies up to about seven billion light-years away. The Hubble was able to give evidence that galaxies have evolved from when they were young. The NASA/ESA/CSA James Webb Space Telescope is scheduled to launch in 2018, and it will be aimed at the XDF, to study with its infrared vision. Hopefully the Webb Telescope will give more information about further galaxies and stars, from when the Universe was only around one hundred million years old.
            This article is important for society for many, different reasons. The Hubble Telescope, with time, can help answer how big the Universe actually is, how far it goes, and if it as old as we say. Also, the Hubble can reveal new galaxies and stars, in the Universe, that were unknown. The Hubble Telescope can help create new and improved telescopes, such as the Webb Telescope, for future developments. Astronomers can revolutionize telescopes into a simpler, yet better version of the Hubble. Lastly, this article shows that the Universe does evolve, like humans and animals. This article presents that as the Universe evolves, the Universe grows bigger.
            Overall, this article was very informative, interesting, and well written. I enjoyed how the introduction gives an informative speech about the Hubble Space Telescope, and then the rest of the article goes into full detail and evidence about the Hubble Space Telescope. Also, I enjoyed reading about the new galaxies and their different forms, along with the idea of sending a new telescope with the Hubble in 2018. Some factors that I would change about the article would be to have specific numbers and more depth of how far the deepest view of the Universe is. Also, I think the Hubble Space Telescope should have been explained more.



1 comment:

  1. I thought the article you read was very interesting. You offered an excellent summary of what it spoke about and reading that was much less time consuming and just as informative as reading the actual article itself. Your description of the events presented in the article was easy to follow and easily understandable. I also like how you explained what the telescope allowed scientists to find instead of simply saying that it made many galaxies visible. Another thing that you did well was explain the progress of telescope picture throughout the years—explaining what could be see when, and which telescope made this capable. From your summary, I was surprised to learn that so many galaxies existed in our universe. I knew that our universe is huge and ever-expanding, but I’m impressed that scientists have thus far managed to view about 5500 galaxies with the Hubble telescope. It’s amazing how far into space astronomers have been able to look, because each new discovery leads to them learning more about the universe than before. With the amount of improvement they achieved from 2003 and 2004 to 2012, who knows how much they’ll be able to see in the next few years. Jasmine, as much as I liked your current event report, I’m a little confused by your last paragraph; you said how you liked that the article’s introduction gave an informative speech about the Hubble Space Telescope and that the rest of article went into full detail about it. However, your last sentence states that you wish it had been explained more. It seems to me that it was already explained in great detail. Anyway, great job on the report overall, I thought the article was very interesting!

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