Ascent from the Lunar Surface PDF Download
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Author: Rowland E. Burns
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 152
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Book Description
Author: Rowland E. Burns
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 152
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Book Description
Author: Rowland E. Burns
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 180
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Book Description
Ascent from lunar surface problem with solution by variational calculus.
Author: Rowland E. Burns
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 147
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Book Description
Author: Albert E. Brown
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 28
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Book Description
Author: Albert E. Brown
Publisher:
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
Author: Grant Heiken
Publisher: CUP Archive
ISBN: 9780521334440
Category : Science
Languages : en
Pages : 796
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Book Description
The only work to date to collect data gathered during the American and Soviet missions in an accessible and complete reference of current scientific and technical information about the Moon.
Author: Floyd V. Bennett
Publisher:
ISBN:
Category : Lunar excursion module
Languages : en
Pages : 52
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722611453
Category :
Languages : en
Pages : 88
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Book Description
LANDER is a computer program used to predict the trajectory and flight performance of a spacecraft ascending or descending between a low lunar orbit of 15 to 500 nautical miles (nm) and the lunar surface. It is a three degree-of-freedom simulation which is used to analyze the translational motion of the vehicle during descent. Attitude dynamics and rotational motion are not considered. The program can be used to simulate either an ascent from the Moon or a descent to the Moon. For an ascent, the spacecraft is initialized at the lunar surface and accelerates vertically away from the ground at full thrust. When the local velocity becomes 30 ft/s, the vehicle turns downrange with a pitch-over maneuver and proceeds to fly a gravity turn until Main Engine Cutoff (MECO). The spacecraft then coasts until it reaches the requested holding orbit where it performs an orbital insertion burn. During a descent simulation, the lander begins in the holding orbit and performs a deorbit burn. It then coasts to pericynthion, where it reignites its engines and begins a gravity turn descent. When the local horizontal velocity becomes zero, the lander pitches up to a vertical orientation and begins to hover in search of a landing site. The lander hovers for a period of time specified by the user, and then lands. Unspecified Center...
Author: Amy Shira Teitel
Publisher: Bloomsbury Publishing
ISBN: 1472911199
Category : Science
Languages : en
Pages : 313
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Book Description
The incredible story of spaceflight before the establishment of NASA. NASA's history is a familiar story, one that typically peaks with Neil Armstrong taking his small step on the Moon in 1969. But America's space agency wasn't created in a vacuum. It was assembled from pre-existing parts, drawing together some of the best minds the non-Soviet world had to offer. In the 1930s, rockets were all the rage in Germany, the focus both of scientists hoping to fly into space and of the German armed forces, looking to circumvent the restrictions of the Treaty of Versailles. One of the key figures in this period was Wernher von Braun, an engineer who designed the rockets that became the devastating V-2. As the war came to its chaotic conclusion, von Braun escaped from the ruins of Nazi Germany, and was taken to America where he began developing missiles for the US Army. Meanwhile, the US Air Force was looking ahead to a time when men would fly in space, and test pilots like Neil Armstrong were flying cutting-edge, rocket-powered aircraft in the thin upper atmosphere. Breaking the Chains of Gravity tells the story of America's nascent space program, its scientific advances, its personalities and the rivalries it caused between the various arms of the US military. At this point getting a man in space became a national imperative, leading to the creation of the National Aeronautics and Space Administration, otherwise known as NASA.
Author: Herman S. Fletcher
Publisher:
ISBN:
Category : Orbits
Languages : en
Pages : 50
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Book Description
