Galaxies and quasars
Published in 27 languages; includes a selection in Braille in eng, fre, spa, kor
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| Main Author: | |
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| Format: | article biblioteca |
| Language: | eng ara chi rus |
| Subjects: | Celestial mechanics, Galaxies, Quasars, Stars, Cosmic radiation, Gravitation, Energy conversion, Interstellar space, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000060708 |
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| Summary: | Published in 27 languages; includes a selection in Braille in eng, fre, spa, kor |
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