| 000 -LEADER |
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| fixed length control field |
00581nam a2200097Ia 4500 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
170517s9999 xx 000 0 und d |
| 245 ## - TITLE STATEMENT |
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| Title |
Through the Wormhole: The Riddle of Black Holes |
| 300 ## - PHYSICAL DESCRIPTION |
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| Extent |
They are the most powerful objects in the universe. Nothing, not even light, can escape the gravitational pull of a black hole. Astronomers now believe there are billions of them out in the cosmos, swallowing up planets, even entire stars in violent feeding frenzies.... |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| General subdivision |
Science. |
| 856 ## - ELECTRONIC LOCATION AND ACCESS |
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| Uniform Resource Identifier |
http://topdocumentaryfilms.com/through-the-wormhole-the-riddle-of-black-holes/ |