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CENTRIPETAL FORCE from GRAVITY Unit 14 & 8
CENTRIPETAL FORCE FROM GRAVITY Unit 14 & 8 Dr. John P. Cise, Professor of Physics, Austin Com. College, Austin , Tx. [email protected] & New York Times November 7, 2017 by Richard Goldstein. Dedicated to all the American Apollo Astronauts in 1960s & 1970s. -------------------------------------------------------------------------------------------------------------------------------------------------------------- Richard Gordon, Astronaut Who Reached for Moon (1969)and Very Nearly Made It, Dies at 88 INTRODUCTION: Gordon commanded the command module Yankee Clipper from 60 miles above moon surface in 1969. The other 2 Apollo Astronauts went to Lunar surface in lunar lander. The radius of moon is 1079 miles. Gordon did 45 orbits of moon over 89 hrs. (3.7 days). Gravity provides centripetal force. G m M/R2 = m v2/R , v = Rω = 2π R/T, thus Solving for M = [4π2/6.67 X 10-11](R3/T2) , Kepler’s 3rd. Law. Richard Gordon, center, with Charles Conrad, left, QUESTIONS: (a) Find R from center of moon?, (b)Find period T of lunar and Alan Bean, aboard the U.S.S. Hornet, an aircraft orbit?, (c) Find mass of moon? See below for Hints and Answers. carrier, after their spacecraft splashed down. Richard Gordon, who undertook what became a harrowing and abortive spacewalk in a 1966 NASA mission, then orbited the moon three years later, but never achieved his dream of walking on the lunar surface, died on Monday at his home in San Marcos, Calif., near San Diego. He was 88. His death was confirmed by NASA. Mr. Gordon piloted the command module ((Yankee Clipper ))during its orbit of the moon in November 1969 while Mr. -
The Newsletter of the Barnard-Seyfert Astronomical Society
June TheECLIPSE 2020 The Newsletter of the Barnard-Seyfert Astronomical Society From the President It’s been another long, strange month. Lots of things have been happening that aren’t in the Next Membership Meeting: realm of astronomy and I have been distracted by Stay tuned to the BSAS Google Group it all. As you know, we haven’t had a meeting in a or Night Sky Network email for couple of months, and I am really starting to miss information about future meetings. the meetings. It is nice to get out of the house and socialize with people that share a common interest. Hopefully this month is the month that we can come together as a group and get back into a new normal routine. Watch for emails and Facebook updates regarding the monthly meeting. Last month did have a big space event with the In this Issue: launch of the SpaceX Crew Dragon capsule to the Happy Birthday Pete Conrad ISS late in the month. It marks a return to U.S. byRobinByrne 3 spaceflight and NASA working with private corporations to get astronauts into space. I hope Summer Triangle Corner: Vega you had a chance to watch the launch on TV or by David Prosper and VivianWhite 8 the Internet, it was very exciting to see. I have not been around long enough to remember the Apollo BSAS Board Minutes launch days, but it did bring back memories of the May6,2020 10 shuttle launches for me. I hope this gets America excited about space travel again and brings back Membership Information 13 talk of getting people to the moon. -
Apollo 13 Mission Review
APOLLO 13 MISSION REVIEW HEAR& BEFORE THE COMMITTEE ON AERONAUTICAL AND SPACE SCIENCES UNITED STATES SENATE NINETY-FIRST CONGRESS SECOR’D SESSION JUR’E 30, 1970 Printed for the use of the Committee on Aeronautical and Space Sciences U.S. GOVERNMENT PRINTING OFFICE 47476 0 WASHINGTON : 1970 COMMITTEE ON AEROKAUTICAL AND SPACE SCIENCES CLINTON P. ANDERSON, New Mexico, Chairman RICHARD B. RUSSELL, Georgia MARGARET CHASE SMITH, Maine WARREN G. MAGNUSON, Washington CARL T. CURTIS, Nebraska STUART SYMINGTON, bfissouri MARK 0. HATFIELD, Oregon JOHN STENNIS, Mississippi BARRY GOLDWATER, Arizona STEPHEN M.YOUNG, Ohio WILLIAM B. SAXBE, Ohio THOJfAS J. DODD, Connecticut RALPH T. SMITH, Illinois HOWARD W. CANNON, Nevada SPESSARD L. HOLLAND, Florida J4MES J. GEHRIG,Stad Director EVERARDH. SMITH, Jr., Professional staffMember Dr. GLENP. WILSOS,Professional #tad Member CRAIGVOORHEES, Professional Staff Nember WILLIAMPARKER, Professional Staff Member SAMBOUCHARD, Assistant Chief Clerk DONALDH. BRESNAS,Research Assistant (11) CONTENTS Tuesday, June 30, 1970 : Page Opening statement by the chairman, Senator Clinton P. Anderson-__- 1 Review Board Findings, Determinations and Recommendations-----_ 2 Testimony of- Dr. Thomas 0. Paine, Administrator of NASA, accompanied by Edgar M. Cortright, Director, Langley Research Center and Chairman of the dpollo 13 Review Board ; Dr. Charles D. Har- rington, Chairman, Aerospace Safety Advisory Panel ; Dr. Dale D. Myers, Associate Administrator for Manned Space Flight, and Dr. Rocco A. Petrone, hpollo Director -___________ 21, 30 Edgar 11. Cortright, Chairman, hpollo 13 Review Board-------- 21,27 Dr. Dale D. Mvers. Associate Administrator for Manned SDace 68 69 105 109 LIST OF ILLUSTRATIOSS 1. Internal coinponents of oxygen tank So. 2 ---_____-_________________ 22 2. -
Science Fiction Stories with Good Astronomy & Physics
Science Fiction Stories with Good Astronomy & Physics: A Topical Index Compiled by Andrew Fraknoi (U. of San Francisco, Fromm Institute) Version 7 (2019) © copyright 2019 by Andrew Fraknoi. All rights reserved. Permission to use for any non-profit educational purpose, such as distribution in a classroom, is hereby granted. For any other use, please contact the author. (e-mail: fraknoi {at} fhda {dot} edu) This is a selective list of some short stories and novels that use reasonably accurate science and can be used for teaching or reinforcing astronomy or physics concepts. The titles of short stories are given in quotation marks; only short stories that have been published in book form or are available free on the Web are included. While one book source is given for each short story, note that some of the stories can be found in other collections as well. (See the Internet Speculative Fiction Database, cited at the end, for an easy way to find all the places a particular story has been published.) The author welcomes suggestions for additions to this list, especially if your favorite story with good science is left out. Gregory Benford Octavia Butler Geoff Landis J. Craig Wheeler TOPICS COVERED: Anti-matter Light & Radiation Solar System Archaeoastronomy Mars Space Flight Asteroids Mercury Space Travel Astronomers Meteorites Star Clusters Black Holes Moon Stars Comets Neptune Sun Cosmology Neutrinos Supernovae Dark Matter Neutron Stars Telescopes Exoplanets Physics, Particle Thermodynamics Galaxies Pluto Time Galaxy, The Quantum Mechanics Uranus Gravitational Lenses Quasars Venus Impacts Relativity, Special Interstellar Matter Saturn (and its Moons) Story Collections Jupiter (and its Moons) Science (in general) Life Elsewhere SETI Useful Websites 1 Anti-matter Davies, Paul Fireball. -
Celebrate Apollo
National Aeronautics and Space Administration Celebrate Apollo Exploring The Moon, Discovering Earth “…We go into space because whatever mankind must undertake, free men must fully share. … I believe that this nation should commit itself to achieving the goal before this decade is out, of landing a man on the moon and returning him safely to Earth. No single space project in this period will be more exciting, or more impressive to mankind, or more important for the long-range exploration of space; and none will be so difficult or expensive to accomplish …” President John F. Kennedy May 25, 1961 Celebrate Apollo Exploring The Moon, Discovering Earth Less than five months into his new administration, on May 25, 1961, President John F. Kennedy, announced the dramatic and ambitious goal of sending an American safely to the moon before the end of the decade. Coming just three weeks after Mercury astronaut Alan Shepard became the first American in space, Kennedy’s bold challenge that historic spring day set the nation on a journey unparalleled in human history. Just eight years later, on July 20, 1969, Apollo 11 commander Neil Armstrong stepped out of the lunar module, taking “one small step” in the Sea of Tranquility, thus achieving “one giant leap for mankind,” and demonstrating to the world that the collective will of the nation was strong enough to overcome any obstacle. It was an achievement that would be repeated five other times between 1969 and 1972. By the time the Apollo 17 mission ended, 12 astronauts had explored the surface of the moon, and the collective contributions of hundreds of thousands of engineers, scientists, astronauts and employees of NASA served to inspire our nation and the world. -
Project Apollo: Americans to the Moon 440 Document II-1 Document Title
440 Project Apollo: Americans to the Moon Document II-1 Document Title: NASA, “ Minutes of Meeting of Research Steering Committee on Manned Space Flight,” 25–26 May 1959. Source: Folder 18675, NASA Historical Reference Collection, History Division, NASA Headquarters, Washington, DC. Within less than a year after its creation, NASA began looking at follow-on programs to Project Mercury, the initial human spacefl ight effort. A Research Steering Committee on Manned Space Flight was created in spring 1959; it consisted of top-level representatives of all of the NASA fi eld centers and NASA Headquarters. Harry J. Goett from Ames, but soon to be head of the newly created Goddard Space Flight Center, was named chair of the committee. The fi rst meeting of the committee took place on 25 and 26 May 1959, in Washington. Those in attendance provided an overview of research and thinking related to human spacefl ight at various NASA centers, the Jet Propulsion Laboratory (JPL), and the High Speed Flight Station (HSFS) at Edwards Air Force Base. George Low, then in charge of human spacefl ight at NASA Headquarters, argued for making a lunar landing NASA’s long-term goal. He was backed up by engineer and designer Maxime Faget of the Space Task Group of the Langley Research Center and Bruce Lundin of the Lewis Research Center. After further discussion at its June meeting, the Committee agreed on the lunar landing objective, and by the end of the year a lunar landing was incorporated into NASA’s 10-year plan as the long-range objective of the agency’s human spacefl ight program. -
Spaceport News John F
Aug. 9, 2013 Vol. 53, No. 16 Spaceport News John F. Kennedy Space Center - America’s gateway to the universe MAVEN arrives, Mars next stop Astronauts By Steven Siceloff Spaceport News gather for AVEN’s approach to Mars studies will be Skylab’s Mquite different from that taken by recent probes dispatched to the Red Planet. 40th gala Instead of rolling about on the By Bob Granath surface looking for clues to Spaceport News the planet’s hidden heritage, MAVEN will orbit high above n July 27, the Astronaut the surface so it can sample the Scholarship Foundation upper atmosphere for signs of Ohosted a dinner at the what changed over the eons and Kennedy Space Center’s Apollo/ why. Saturn V Facility celebrating the The mission will be the first 40th anniversary of Skylab. The of its kind and calls for instru- gala featured many of the astro- ments that can pinpoint trace nauts who flew the missions to amounts of chemicals high America’s first space station. above Mars. The results are Six Skylab astronauts partici- expected to let scientists test pated in a panel discussion dur- theories that the sun’s energy ing the event, and spoke about slowly eroded nitrogen, carbon living and conducting ground- dioxide and water from the Mar- breaking scientific experiments tian atmosphere to leave it the aboard the orbiting outpost. dry, desolate world seen today. Launched unpiloted on May “Scientists believe the planet 14, 1973, Skylab was a complex CLICK ON PHOTO NASA/Tim Jacobs orbiting scientific laboratory. has evolved significantly over NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft rests on a processing the past 4.5 billion years,” said stand inside Kennedy’s Payload Hazardous Servicing Facility Aug. -
Skylab: the Human Side of a Scientific Mission
SKYLAB: THE HUMAN SIDE OF A SCIENTIFIC MISSION Michael P. Johnson, B.A. Thesis Prepared for the Degree of MASTER OF ARTS UNIVERSITY OF NORTH TEXAS May 2007 APPROVED: J. Todd Moye, Major Professor Alfred F. Hurley, Committee Member Adrian Lewis, Committee Member and Chair of the Department of History Sandra L. Terrell, Dean of the Robert B. Toulouse School of Graduate Studies Johnson, Michael P. Skylab: The Human Side of a Scientific Mission. Master of Arts (History), May 2007, 115pp., 3 tables, references, 104 titles. This work attempts to focus on the human side of Skylab, America’s first space station, from 1973 to 1974. The thesis begins by showing some context for Skylab, especially in light of the Cold War and the “space race” between the United States and the Soviet Union. The development of the station, as well as the astronaut selection process, are traced from the beginnings of NASA. The focus then shifts to changes in NASA from the Apollo missions to Skylab, as well as training, before highlighting the three missions to the station. The work then attempts to show the significance of Skylab by focusing on the myriad of lessons that can be learned from it and applied to future programs. Copyright 2007 by Michael P. Johnson ii ACKNOWLEDGEMENTS This thesis would not be possible without the help of numerous people. I would like to begin, as always, by thanking my parents. You are a continuous source of help and guidance, and you have never doubted me. Of course I have to thank my brothers and sisters. -
Gaston-Sheehan Space Auction Item Description of Ary.Pages
Space Auction Item Descriptions 1. Apollo 17 Beta Cloth Mission Patch, Autographed by Crew - Flown, Apollo 17: This Apollo 17 Beta-cloth mission patch was signed by all three members of the Apollo 17 crew – the last group of humans to travel to the moon. (Flown – Personally given to Ary by Ron Evans in 1985; COA can be provided by Ary). 2. Apollo 10 Beta Cloth Mission Patch, Autographed by Crew - Flown, Apollo 10: This Apollo 10 Beta-cloth mission patch was signed by all three members of the Apollo 10 crew, and flew to the moon on the final dress rehearsal for the lunar landing in May, 1969. (Flown – Personally given to Ary by Tom Staford in the early 1990’s; COA can be provided by Ary & Staford). 3. Apollo 12 Beta Cloth Mission Patch, Autographed by CMP Gordon: This Apollo 12 Beta-cloth mission patch was personally signed by the mission’s Command Module Pilot, Dick Gordon. 4. Skylab II Beta Cloth Mission Patch, Autographed by Crew (Flown, Skylab II: This Skylab II Beta-cloth mission patch was personally carried by mission commander Alan Bean aboard the second manned mission to Skylab – America’s first space station. The patch was in space nearly 60 days, and made 858 orbits of the Earth between July – September, 1973. The patch has been signed by all three Skylab II crew members – Alan Bean, Jack Lousma and Owen Garriott. (Flown – Given to Ary by Bean just months after the mission; COA can be provided by Ary). 5. Flown Apollo-Soyuz Beta Cloth Mission Patch, Autographed by U.S. -
Principles for a Practical Moon Base T Brent Sherwood
Acta Astronautica 160 (2019) 116–124 Contents lists available at ScienceDirect Acta Astronautica journal homepage: www.elsevier.com/locate/actaastro Principles for a practical Moon base T Brent Sherwood Jet Propulsion Laboratory, California Institute of Technology, USA ABSTRACT NASA planning for the human space flight frontier is coming into alignment with the goals of other planetary-capable national space agencies and independent commercial actors. US Space Policy Directive 1 made this shift explicit: “the United States will lead the return of humans to the Moon for long-term exploration and utilization”. The stage is now set for public and private American investment in a wide range of lunar activities. Assumptions about Moon base architectures and operations are likely to drive the invention of requirements that will in turn govern development of systems, commercial-services purchase agreements, and priorities for technology investment. Yet some fundamental architecture-shaping lessons already captured in the literature are not clearly being used as drivers, and remain absent from typical treatments of lunar base concepts. A prime example is general failure to recognize that most of the time (i.e., before and between intermittent human occupancy), a Moon base must be robotic: most of the activity, most of the time, must be implemented by robot agents rather than astronauts. This paper reviews key findings of a seminal robotic-base design-operations analysis commissioned by NASA in 1989. It discusses implications of these lessons for today's Moon Village and SPD-1 paradigms: exploration by multiple actors; public-private partnership development and operations; cislunar infrastructure; pro- duction-quantity exploitation of volatile resources near the poles to bootstrap further space activities; autonomy capability that was frontier in 1989 but now routine within terrestrial industry. -
Alan Bean, Apollo Moonwalker and Artist, Dies at 86
For Immediate Release Media Contacts: Laura Cutchens Astronaut Scholarship Foundation 407-403-5907 or 407-474-3196 [email protected] Justin Miller Astronaut Scholarship Foundation 407-403-5908 or 407-724-3002 [email protected] Alan Bean, Apollo Moonwalker and Artist, Dies at 86 HOUSTON, Texas — Apollo and Skylab astronaut Alan Bean, the fourth human to walk on the moon and an accomplished artist, has died. Bean, 86, died on Saturday, May 26, at Houston Methodist Hospital in Houston, Texas. His death followed his suddenly falling ill while on travel in Fort Wayne, Indiana two weeks before. “Alan was the strongest and kindest man I ever knew. He was the love of my life and I miss him dearly,” said Leslie Bean, Alan Bean’s wife of 40 years. “A native Texan, Alan died peacefully in Houston surrounded by those who loved him.” A test pilot in the U.S. Navy, Bean was one of 14 trainees selected by NASA for its third group of astronauts in October 1963. He flew twice into space, first as the lunar module pilot on Apollo 12, the second moon landing mission, in November 1969, and then as commander of the second crewed flight to the United States’ first space station, Skylab, in July 1973. “Alan and I have been best friends for 55 years — ever since the day we became astronauts,” said Walt Cunningham, who flew on Apollo 7. “When I became head of the Skylab Branch of the Astronaut Office, we worked together and Alan eventually commanded the second Skylab mission.” “We have never lived more than a couple of miles apart, even after we left NASA. -
SKYLAB the FORGOTTEN MISSIONS a Senior Honors Thesis
SKYLAB THE FORGOTTEN MISSIONS A Senior Honors Thesis by MICHAEL P. IOHNSON Submitted to the Office of Honors Programs 4 Academic Scholarships Texas ARM University In partial fulfillment of the requirements of the UNIVERSITY UNDERGRADUATE RESEARCH FELLOWS April 2004 Major: History SKYLAB THE FORGOTTEN MISSIONS A Senior Honors Thesis by MICHAEL P. JOHNSON Submitted to the Office of Honors Programs & Academic Scholarships Texas A&M University In partial fulfillment of the requirements of the UNIVERSITY UNDERGRADUATE RESEARCH FELLOW Approved as to style and content by: Jonathan C pers ith Edward A. Funkhouser (Fellows dv' or) (Executive Director) April 2004 Major: History ABSTRACT Skylab The Forgotten Missions. (April 2004) Michael P. Johnson Department of History Texas A&M University Fellows Advisor: Dr. Jonathan Coopersmith Department of History The Skylab program featured three manned missions to America's first and only space station from May 1973 to February 1974. A total of nine astronauts, including one scientist each mission, flew aboard the orbital workshop. Since the Skylab missions contained major goals including science and research in the space environment, the majority of publications dealing with the subject focus on those aspects. This thesis intends to focus, rather, on the human elements of the three manned missions. By incorporating not only books, but also oral histories and interviews with the actual participants, this work contains a more holistic approach and viewpoint. Beginning with a brief history of the development of a space station, this document also follows the path of the nine astronauts to their acceptance into the program. Descriptions of the transition period for NASA from the Moon to a space station, a discussion on the main events of all the missions, and finally a look at the transition to the new space shuttle comprise a major part of the body.