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Wan-Hoo (crater)
Wan-Hoo is a lunar impact crater that is located on the Moon's far side, and it cannot be seen directly from the Earth. It lies to the southwest of the huge walled plain Hertzsprung, within the outer skirt of ejecta. Just to the south-southwest of Wan-Hoo is the larger crater Paschen, and a little over two crater diameters to the northwest is Sechenov. Like much of the surrounding terrain, this crater has been modified by the ejecta from Hertzsprung, and material from that impact encroaches along the inner walls and interior of Wan-Hoo. Attached to the east-southeastern outer rim is a large satellite crater, Evans Q, belonging to Evans farther to the east. There is also a small, relatively fresh crater attached to the southeast, and a small, cup-shaped craterlet along the western rim. This feature was named after Wan Hu, a legendary Chinese figure who is alleged to be the first astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lunar Reconnaissance Orbiter
The Lunar Reconnaissance Orbiter (LRO) is a NASA robotic spacecraft currently orbiting the Moon in an eccentric polar mapping orbit. Data collected by LRO have been described as essential for planning NASA's future human and robotic missions to the Moon. Its detailed mapping program is identifying safe landing sites, locating potential resources on the Moon, characterizing the radiation environment, and demonstrating new technologies. Launched on June 18, 2009, in conjunction with the Lunar Crater Observation and Sensing Satellite (LCROSS), as the vanguard of NASA's Lunar Precursor Robotic Program, LRO was the first United States mission to the Moon in over ten years. LRO and LCROSS were launched as part of the United States's Vision for Space Exploration program. The probe has made a 3-D map of the Moon's surface at 100-meter resolution and 98.2% coverage (excluding polar areas in deep shadow), including 0.5-meter resolution images of Apollo landing sites. The first images f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sechenov (crater)
Sechenov is a lunar impact crater on the far side of the Moon. It lies to the southwest of the huge walled plain Hertzsprung, and to the east-southeast of the crater Timiryazev. To the south-southeast of Sechenov lies Paschen. This crater has taken a moderate amount of wear and tear as a result of subsequent impacts. The outer rim is somewhat worn and uneven. There is a small crater intruding into the southwestern outer rim. A joined pair of small craters is located in the middle of the interior floor, and there is a small craterlet along the eastern base of the inner wall. Sechenov is a crater of Nectarian age. USGS
The United States Geological Survey (USGS), formerly si ...
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Sterling Publishing Co
Sterling Publishing Company, Inc. is a publisher of a broad range of subject areas, with multiple imprints and more than 5,000 titles in print. Founded in 1949 by David A. Boehm, Sterling also publishes books for a number of brands, including AARP, Hasbro, Hearst Magazines, and ''USA TODAY'', as well as serves as the North American distributor for domestic and international publishers including: Anova, the Brooklyn Botanic Garden, Carlton Books, Duncan Baird, Guild of Master Craftsmen, the Orion Publishing Group, and Sixth & Spring Books. Sterling also owns and operates two verticals, Lark Crafts and Pixiq. Sterling Publishing is a wholly owned subsidiary of Barnes & Noble, which acquired it in 2003. On January 5, 2012, ''The Wall Street Journal'' reported that Barnes & Noble had put its Sterling Publishing business up for sale. Negotiations failed to produce a buyer, however, and Sterling is reportedly no longer for sale as of March, 2012. In January 2022, Sterling rebranded ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jonathan's Space Report
''Jonathan's Space Report'' (JSR) is a newsletter about the Space Age, hosted at Jonathan's Space Page. It is written by Jonathan McDowell, a Center for Astrophysics Harvard & Smithsonian astrophysicist. It is updated as McDowell's schedule permits, but he tries to publish two issues each month. Originally the website was hosted on a Harvard University account, but was moved in late 2003 to a dedicated domain. Started in 1989, the newsletter reports on recent space launches, International Space Station activities and space craft developments. McDowell's report occasionally corrects NASA's official web sites, or provides additional data on classified launches that aren't available elsewhere. Associated projects on the JSR web site are: * A catalog of all known geosynchronous satellites and their current positions * A listing of satellite launch attempts * A cross-reference between catalog number and international designation of artificial satellites McDowell has long campaigne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambridge University Press
Cambridge University Press is the university press of the University of Cambridge. Granted letters patent by Henry VIII of England, King Henry VIII in 1534, it is the oldest university press A university press is an academic publishing house specializing in monographs and scholarly journals. Most are nonprofit organizations and an integral component of a large research university. They publish work that has been reviewed by schola ... in the world. It is also the King's Printer. Cambridge University Press is a department of the University of Cambridge and is both an academic and educational publisher. It became part of Cambridge University Press & Assessment, following a merger with Cambridge Assessment in 2021. With a global sales presence, publishing hubs, and offices in more than 40 Country, countries, it publishes over 50,000 titles by authors from over 100 countries. Its publishing includes more than 380 academic journals, monographs, reference works, school and uni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization's work spans the disciplines of biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility. The agency was founded on March 3, 1879. The USGS is a bureau of the United States Department of the Interior; it is that department's sole scientific agency. The USGS employs approximately 8,670 people and is headquartered in Reston, Virginia. The USGS also has major offices near Lakewood, Colorado, at the Denver Federal Center, and Menlo Park, California. The current motto of the USGS, in use since August 1997, is "science for a changing world". The agency's previous slogan, adopted on the occasion of its hundredt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding the National Advisory Committee for Aeronautics (NACA), to give the U.S. space development effort a distinctly civilian orientation, emphasizing peaceful applications in space science. NASA has since led most American space exploration, including Project Mercury, Project Gemini, the 1968-1972 Apollo Moon landing missions, the Skylab space station, and the Space Shuttle. NASA supports the International Space Station and oversees the development of the Orion spacecraft and the Space Launch System for the crewed lunar Artemis program, Commercial Crew spacecraft, and the planned Lunar Gateway space station. The agency is also responsible for the Launch Services Program, which provides oversight of launch operations and countdown management f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astronaut
An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft. Although generally reserved for professional space travelers, the term is sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists. "Astronaut" technically applies to all human space travelers regardless of nationality. However, astronauts fielded by Russia or the Soviet Union are typically known instead as cosmonauts (from the Russian "kosmos" (космос), meaning "space", also borrowed from Greek). Comparatively recent developments in crewed spaceflight made by China have led to the rise of the term taikonaut (from the Mandarin "tàikōng" (), meaning "space"), although its use is somewhat informal and its origin is unclear. In China, the People's Liberation Army Astronaut Corps astronauts and their ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evans (crater)
Evans is the remnant of a lunar impact crater that is located on the far side of the Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of .... It lies to the south-southwest of the immense walled plain Hertzsprung, and is located within that impact basin's broad skirt of ejecta. This material has overflowed the northern rim of Evans and the northern part of the interior floor. The southern rim is not as heavily damaged, although it is irregular, eroded, and overlain by a pair of small craterlets. The most intact part of the rim is the southeastern section. Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Evans. References * * * * * * * * * * * * {{Craters on the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paschen (crater)
Paschen is a lunar impact crater on the far side of the Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of .... The relatively large satellite crater Paschen M partly overlies the southern rim of Paschen, and they nearly form a merged pair with only a section of irregular terrain along their common border. The smaller but well-formed crater Paschen S lies across the southwestern rim of Paschen. As a result, most of the southern rim of Paschen is now gone. The remainder of the rim is not in much better condition. It is worn and eroded, with multiple small craterlets along the edge and inner wall. Most of the rim structure has been worn away by subsequent impacts and deposits of ejecta, and now forms a rounded dip into the curving interior. A small chain of craters cuts across the ri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wan Hu
Wan Hu (万户 or 万虎) is a legendary Chinese official – supposedly having lived from as early as 2000 BCE to as late as the middle Ming dynasty (16th century) who was described in 20th century sources as the world's first "astronaut" by having been lifted by rockets into outer space. The crater Wan-Hoo on the far side of the Moon is named after him. The legend of Wan Hu "Wang Tu" A precursor of the story of Wan Hu appeared in an article by John Elfreth Watkins, published in the 2 October 1909 issue of ''Scientific American'', which used the name Wang Tu instead of Wan Hu: "Tradition asserts that the first to sacrifice himself to the problem of flying was Wang Tu, a Chinese mandarin of about 2,000 years B.C. Who, having had constructed a pair of large, parallel and horizontal kites, seated himself in a chair fixed between them while forty-seven attendants each with a candle ignited forty-seven rockets placed beneath the apparatus. But the rocket under the chair explode ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hertzsprung (crater)
Hertzsprung is an enormous lunar impact crater, or impact basin, that is located on the far side of the Moon, beyond the western limb. In dimension, this formation is larger than several of the lunar mare areas on the near side. It lies in the northwestern fringe of the blast radius of the Mare Orientale impact basin. Nearby craters of note include Michelson across the northeast rim, Vavilov across the western rim, and Lucretius to the southeast. The outer rim of Hertzsprung has been damaged and modified by several notable impacts (mentioned above) and a number of smaller craters. A chain of small craters, designated Catena Lucretius, begins at the southeastern outer rim and proceeds toward the west-northwest until it connects with the perimeter of the inner basin. This inner area is less rough than the outer ring of the floor, and is surrounded by a circular range of ridges. The inner perimeter is also pierced by several craters, including Hertzsprung D along the eastern portion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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