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8/16/2013
03:18 PM
Elena Malykhina
Elena Malykhina
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Hubble Telescope's New Images: Galaxies Through Time

The newest images from Hubble help scientists see how galaxies evolve -- comparing present day to 11 billion years ago.
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Galaxies, the building blocks of the universe, range from simple to very complex in structure. In 1926, American astronomer Edwin Hubble developed a classification scheme of galaxies, more commonly known as the Hubble tuning fork. The basic ideas still hold today in helping astronomers understand the theory of galaxy evolution. The diagram pictured is split into two parts: elliptical galaxies, or ellipticals, and spiral galaxies, or spirals. Hubble assigned ellipticals numbers from zero to seven, while spirals were given letters. It is now believed that galaxy evolution is much more complicated than Hubble's classification scheme.

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WKash
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WKash,
User Rank: Author
8/20/2013 | 7:50:23 PM
re: Hubble Telescope's New Images: Galaxies Through Time
Those who knock government workers ought to be reminded that a lot of the credit for the ability to capture these kinds of images/ideas goes to scientists and engineers who guess what, are government employees.
smar101097005
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smar101097005,
User Rank: Apprentice
8/20/2013 | 2:26:47 AM
re: Hubble Telescope's New Images: Galaxies Through Time
And to think we were going to allow it to die a few years back and drop into the ocean. I am so glad that did not happen.
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