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Author: Arthur Bryant
Publisher: Leffmann Press
ISBN: 1444600133
Category : History
Languages : en
Pages : 432
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Book Description
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 Excerpt: ...earth. r' = radius of moon, or other body. P = moon's horizontal parallax = earth's angular semidiameter as seen from the moon. f = moon's angular semidiameter. Now = P (in circular measure), r'-r = r (in circular measure);.'. r: r':: P: P', or (radius of earth): (radios of moon):: (moon's parallax): (moon's semidiameter). Examples. 1. Taking the moon's horizontal parallax as 57', and its angular diameter as 32', find its radius in miles, assuming the earth's radius to be 4000 miles. Here moon's semidiameter = 16';.-. 4000::: 57': 16';.-. r = 400 16 = 1123 miles. 2. The sun's horizontal parallax being 8"8, and his angular diameter 32V find his diameter in miles. ' Am. 872,727 miles. 3. The synodic period of Venus being 584 days, find the angle gained in each minute of time on the earth round the sun as centre. Am. l"-54 per minute. 4. Find the angular velocity with which Venus crosses the sun's disc, assuming the distances of Venus and the earth from the sun are as 7 to 10, as given by Bode's Law. Since (fig. 50) S V: VA:: 7: 3. But Srhas a relative angular velocity round the sun of l"-54 per minute (see Example 3); therefore, the relative angular velocity of A V round A is greater than this in the ratio of 7: 3, which gives an approximate result of 3"-6 per minute, the true rate being about 4" per minute. Annual ParaUax. 95. We have already seen that no displacement of the observer due to a change of position on the earth's surface could apparently affect the direction of a fixed star. However, as the earth in its annual motion describes an orbit of about 92 million miles radius round the sun, the different positions in space from which an observer views the fixed stars from time to time throughout the year must be separated ...
Author: Arthur Bryant
Publisher: Leffmann Press
ISBN: 1444600133
Category : History
Languages : en
Pages : 432
Get Book Here
Book Description
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 Excerpt: ...earth. r' = radius of moon, or other body. P = moon's horizontal parallax = earth's angular semidiameter as seen from the moon. f = moon's angular semidiameter. Now = P (in circular measure), r'-r = r (in circular measure);.'. r: r':: P: P', or (radius of earth): (radios of moon):: (moon's parallax): (moon's semidiameter). Examples. 1. Taking the moon's horizontal parallax as 57', and its angular diameter as 32', find its radius in miles, assuming the earth's radius to be 4000 miles. Here moon's semidiameter = 16';.-. 4000::: 57': 16';.-. r = 400 16 = 1123 miles. 2. The sun's horizontal parallax being 8"8, and his angular diameter 32V find his diameter in miles. ' Am. 872,727 miles. 3. The synodic period of Venus being 584 days, find the angle gained in each minute of time on the earth round the sun as centre. Am. l"-54 per minute. 4. Find the angular velocity with which Venus crosses the sun's disc, assuming the distances of Venus and the earth from the sun are as 7 to 10, as given by Bode's Law. Since (fig. 50) S V: VA:: 7: 3. But Srhas a relative angular velocity round the sun of l"-54 per minute (see Example 3); therefore, the relative angular velocity of A V round A is greater than this in the ratio of 7: 3, which gives an approximate result of 3"-6 per minute, the true rate being about 4" per minute. Annual ParaUax. 95. We have already seen that no displacement of the observer due to a change of position on the earth's surface could apparently affect the direction of a fixed star. However, as the earth in its annual motion describes an orbit of about 92 million miles radius round the sun, the different positions in space from which an observer views the fixed stars from time to time throughout the year must be separated ...
Author: Scott Kelly
Publisher: Vintage
ISBN: 1524731609
Category : Biography & Autobiography
Languages : en
Pages : 439
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Book Description
NATIONAL BEST SELLER A stunning, personal memoir from the astronaut and modern-day hero who spent a record-breaking year aboard the International Space Station—a message of hope for the future that will inspire for generations to come. The veteran of four spaceflights and the American record holder for consecutive days spent in space, Scott Kelly has experienced things very few have. Now, he takes us inside a sphere utterly hostile to human life. He describes navigating the extreme challenge of long-term spaceflight, both life-threatening and mundane: the devastating effects on the body; the isolation from everyone he loves and the comforts of Earth; the catastrophic risks of colliding with space junk; and the still more haunting threat of being unable to help should tragedy strike at home--an agonizing situation Kelly faced when, on a previous mission, his twin brother's wife, American Congresswoman Gabrielle Giffords, was shot while he still had two months in space. Kelly's humanity, compassion, humor, and determination resonate throughout, as he recalls his rough-and-tumble New Jersey childhood and the youthful inspiration that sparked his astounding career, and as he makes clear his belief that Mars will be the next, ultimately challenging, step in spaceflight. In Endurance, we see the triumph of the human imagination, the strength of the human will, and the infinite wonder of the galaxy.
Author: Alfred Lansing
Publisher: Basic Books
ISBN: 0465058795
Category : History
Languages : en
Pages : 412
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Book Description
Experience “one of the best adventure books ever written” (Wall Street Journal) in this New York Times bestseller: the harrowing tale of British explorer Ernest Shackleton's 1914 attempt to reach the South Pole. In August 1914, polar explorer Ernest Shackleton boarded the Endurance and set sail for Antarctica, where he planned to cross the last uncharted continent on foot. In January 1915, after battling its way through a thousand miles of pack ice and only a day's sail short of its destination, the Endurance became locked in an island of ice. Thus began the legendary ordeal of Shackleton and his crew of twenty-seven men. When their ship was finally crushed between two ice floes, they attempted a near-impossible journey over 850 miles of the South Atlantic's heaviest seas to the closest outpost of civilization. In Endurance, the definitive account of Ernest Shackleton's fateful trip, Alfred Lansing brilliantly narrates the harrowing and miraculous voyage that has defined heroism for the modern age.
Author: Alfred Lansing
Publisher: Voyages Promotion
ISBN: 9780753809877
Category : Antarctica
Languages : en
Pages : 284
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Book Description
Adventure, shipwreck, storms and survival on the high seas. ENDURANCE is the story of one of the most astonishing feats of exploration and human courage ever recorded. In 1914 Sir Ernest Shackleton and a crew of 27 men set sail for the South Atlantic on board a ship called the Endurance. The object of the expedition was to cross the Antarctic overland. In October 1915, still half a continent away from their intended base, the ship was trapped, then crushed in ice. For five months Shackleton and his men, drifting on ice packs, were castaways on one of the most savage regions of the world. This utterly gripping book, based on first-hand accounts of crew members and interviews with survivors, describes how the men survived, how they lived together in camps on the ice for 17 months until they reached land, how they were attacked by sea leopards, the diseases which they developed, and the indefatigability of the men and their lasting civility towards one another in the most adverse conditions conceivable.
Author: Jennifer Pharr Davis
Publisher: Penguin
ISBN: 073522191X
Category : Sports & Recreation
Languages : en
Pages : 322
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Book Description
National Geographic Adventurer of the Year Jennifer Pharr Davis unlocks the secret to maximizing perseverance--on and off the trail Jennifer Pharr Davis, a record holder of the FKT (fastest known time) on the Appalachian Trail, reveals the secrets and habits behind endurance as she chronicles her incredible accomplishments in the world of endurance hiking, backpacking, and trail running. With a storyteller's ear for fascinating detail and description, Davis takes readers along as she trains and sets her record, analyzing and trail-testing the theories and methodologies espoused by her star-studded roster of mentors. She distills complex rituals and histories into easy-to-understand tips and action items that will help you take perseverance to the next level. The Pursuit of Endurance empowers readers to unlock phenomenal endurance and leverage newfound grit to achieve personal bests in everything from sports and family to the boardroom.
Author: John Reid Muir
Publisher: London : P. Allan
ISBN:
Category : Medicine, Naval
Languages : en
Pages : 324
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Book Description
Author: Scott Kelly
Publisher: Penguin
ISBN: 0735263434
Category : Juvenile Nonfiction
Languages : en
Pages : 372
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Book Description
An awe-inspiring memoir from NASA astronaut Scott Kelly who spent a record-breaking year in space, now newly adapted for young readers. Prepare to blast off with astronaut Scott Kelly as he takes readers on a journey through his year aboard the International Space Station and his life prior to becoming a true American hero. Discover the extreme challenges of long-term spaceflight, the pressures of living in close quarters with people from many countries, the extremely dangerous risk of colliding with space junk and the unnerving feeling of not being able to help if tragedy strikes at home. Find out the story of Kelly's childhood, his struggles in school, and ultimately the inspiration that sparked his incredible career, and the training to become a test-pilot and then astronaut. This personal and fascinating story will encourage aspiring astronauts and young readers everywhere to believe in the impossible and reach for the stars.
Author: Philip Maffetone
Publisher: Skyhorse Publishing, Inc.
ISBN: 1616080655
Category : Sports & Recreation
Languages : en
Pages : 529
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Book Description
A guide to building endurance and the importance of diet and nutrition as well as self-care and injury prevention for athletes seeking to stay healthy and be injury free.
Author: Foz Meadows
Publisher: Tor Books
ISBN: 1250829143
Category : Fiction
Languages : en
Pages : 453
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Book Description
“Many a reader longing for a sense of homecoming in the realm of romantic fantasy will find it in A Strange and Stubborn Endurance.”—Jacqueline Carey “Stolen me? As soon to say a caged bird can be stolen by the sky.” Velasin vin Aaro never planned to marry at all, let alone a girl from neighboring Tithena. When an ugly confrontation reveals his preference for men, Vel fears he’s ruined the diplomatic union before it can even begin. But while his family is ready to disown him, the Tithenai envoy has a different solution: for Vel to marry his former intended’s brother instead. Caethari Aeduria always knew he might end up in a political marriage, but his sudden betrothal to a man from Ralia, where such relationships are forbidden, comes as a shock. With an unknown faction willing to kill to end their new alliance, Vel and Cae have no choice but to trust each other. Survival is one thing, but love—as both will learn—is quite another. Byzantine politics, lush sexual energy, and a queer love story that is by turns sweet and sultry, Foz Meadows' A Strange and Stubborn Endurance is an exploration of gender, identity, and self-worth. It is a book that will live in your heart long after you turn the last page. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
Author: William Mishler
Publisher: Knopf
ISBN: 9780375411335
Category : Accident victims
Languages : en
Pages : 0
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Book Description
The inspiring story of a teenage boy who, grievously injured by a defective machine, takes on its manufacturer and wins, "A Measure of Endurance" is a gripping, poignant, and truly remarkable tale.
