The Universe (2007– )
8.6/10
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1 user 3 critic

Alien Galaxies 

How the various structural types of galaxies form by merging with smaller galaxies is explained and simulated. The preliminary hints at the importance of dark matter in the process are mentioned.

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Cast

Episode cast overview:
Erik Thompson ...
Himself - Narrator (voice)
Richard Ellis ...
Himself - CalTech
Nate McCrady ...
Himself - Univ. of California, Los Angeles
...
Herself - CalTech
Suvi Gezari ...
Herself - CalTech
Jeffrey Byrnes ...
Himself - US Geological Survey
Alex Filippenko ...
Himself - Univ. of California, Berkeley
Michael Liu ...
Himself - University of Hawaii
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Storyline

How the various structural types of galaxies form by merging with smaller galaxies is explained and simulated. The preliminary hints at the importance of dark matter in the process are mentioned.

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Certificate:

TV-14
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Release Date:

31 July 2007 (USA)  »

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Goofs

One of the satellite telescope pictures shown toward the end of the episode was labeled as being a Galex infrared image, but the Galex is, as mentioned by the narrator, an ultraviolet telescope. See more »

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User Reviews

 
Distant Galaxies!!

The Universe is one of my favorite documentary,here in Brazil came out the first season box-set only,even so is better than nothing...in this episode about others galaxies explain how far they are and how many kinds and shape,today in space has three powerful telescopic among them the most famous Hubble, each one has an own field using different system to watch, also useful information about Black Holes and Quasars,all them distinctively explained by colorful graphic computer....learning such things is unforgettable experience that lives forever!!

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First watch: 2017 / How many: 1 / Source: DVD / Rating: 7.5


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