Cosmos (2014– )
9.2/10
1,642
3 user 5 critic

A Sky Full of Ghosts 

Explores how light, time and gravity affects our perception of the universe

Writers:

Carl Sagan (inspired by "Cosmos: A Personal Voyage" written by), Ann Druyan (inspired by "Cosmos: A Personal Voyage" written by) | 4 more credits »
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Cast

Episode credited cast:
Neil deGrasse Tyson ... Himself - Host
Rest of cast listed alphabetically:
Jonathan Morgan Heit ... John Herschel (voice)
Wesley Salter Wesley Salter ... James Clerk Maxwell
Patrick Stewart ... William Herschel (voice)
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Storyline

Explores how light, time and gravity affects our perception of the universe

Plot Summary | Add Synopsis

Genres:

Documentary

Certificate:

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Details

Country:

USA

Language:

English

Release Date:

6 April 2014 (Netherlands) See more »

Company Credits

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Technical Specs

Runtime:

Sound Mix:

Dolby Digital

Color:

Color

Aspect Ratio:

16:9 HD
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Did You Know?

Quotes

Neil deGrasse Tyson - Host: Reminds me of those ghost stars in the sky you know, the ones that still shine their light upon us long after they're gone.
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User Reviews

 
Great Episode
15 November 2014 | by anmolkohli01See all my reviews

This episode focuses first on explaining light-years. It then changes it's focus by doing a repeat of the calendar year they also did in the pilot, but in a different way.

The also explain the Speed of Light, and other scientific theories. This episode goes into detail of these theories instead of a mere overview.

Then they focus on gravity, and what would happen if the Earth become gravity-less, that in turn would create a black hole.

Then the TARDIS pays a visit to the nearest black hole, Cygnus X1.

Overall a great episode, this gets an 8 out of 10.


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