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Site Accessibility and Characteristic Velocity Requirements for Direct-descent Lunar Landings
Language: en
Pages: 36
Authors: Vernon J. Weyers
Categories: Low temperature engineering
Type: BOOK - Published: 1961 - Publisher:

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A direct descent is one in which the main descent propulsion system burns continuously from lunar approach to touchdown. The characteristic velocity requirement
Direct Descent
Language: en
Pages: 90
Authors: Frank Herbert
Categories: Fiction
Type: BOOK - Published: 2011-06-12 - Publisher: WordFire +ORM

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From the New York Times–bestselling author of Dune, a sci-fi fantasy about government control of media and information. Earth has become a library planet for
Elephant Seals
Language: en
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Authors: Burney J. Le Beouf
Categories: Science
Type: BOOK - Published: 2023-11-10 - Publisher: Univ of California Press

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The largest of all seals, elephant seals rank among the most impressive of marine mammals. They are renowned for their spectacular recovery from near-extinction
Distorted Descent
Language: en
Pages: 240
Authors: Darryl Leroux
Categories: History
Type: BOOK - Published: 2019-09-20 - Publisher: Univ. of Manitoba Press

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Distorted Descent examines a social phenomenon that has taken off in the twenty-first century: otherwise white, French descendant settlers in Canada shifting in
Lineage of Loss
Language: en
Pages: 224
Authors: Max Katz
Categories: Music
Type: BOOK - Published: 2017-11-07 - Publisher: Wesleyan University Press

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In the middle of the nineteenth century a new family of hereditary musicians emerged in the royal court of Lucknow and subsequently rose to the heights of renow