1. NASA - What Is Microgravity? The condition of microgravity comes about whenever an object is in free fall that is, it falls faster and faster, accelerating with exactly the http://www.nasa.gov/centers/glenn/research/microgex.html

The nasa.gov site requires that JavaScripts be enabled in your browser. For instructions, click here Text and images site Home Find it at NASA: Enter search term Global Navigation ABOUT NASA LATEST NEWS MULTIMEDIA MISSIONS ... WORK FOR NASA Glenn Research Center Navigation: GLENN RESEARCH CENTER ABOUT GLENN GLENN NEWS MULTIMEDIA ... TEST FACILITIES Find it at GLENN : Enter search term + NASA Home > Centers Glenn Home Research Print This Email This Feature What is Microgravity? Gravity is a force that governs motion throughout the universe. It holds us to the ground, keeps the Moon in orbit around the Earth, and the Earth in orbit around the Sun. Many people mistakenly think that there is no gravity above the Earth's atmosphere, i.e., in "space," and this is why there appears to be no gravity aboard orbiting spacecraft. Typical orbital altitudes for human spaceflight vary between 120 - 360 miles (192 to 576 km) above the surface of the Earth. The gravitational field is still quite strong in these regions, since this is only about 1.8% the distance to the Moon. The Earth's gravitational field at about 250 miles (400 km) above the surface maintains 88.8% of its strength at the surface. Therefore, orbiting spacecraft, like the Space Shuttle or Space Station, are kept in orbit around the Earth by gravity. The nature of gravity was first described by Sir Isaac Newton, more than 300 years ago. Gravity is the attraction between any two masses, most apparent when one mass is very large (like the Earth). The acceleration of an object toward the ground caused by gravity alone, near the surface of the Earth, is called normal gravity, or 1g. This acceleration is equal to 32.2 ft/sec

2. MicroGravity.com Home microgravity.com provides information and tools on microgravity, ie, weightlessness or zero gravity. The purpose is for the advancement of research, http://www.microgravity.com/

Mission: MicroGravity.com is to provide information and tools for the advancement of research, commercialization and education on microgravity and related fields. Who: MicrocroGravity.com is for and by the community of: ........... engineers, ........... scientists, ........... educators, ........... students, ........... businesspeople, and ........... others who wish to capitalize on the phenomena of microgravity to advance the Human Race. Image courtesy: NASA Goddard Space Flight Center TM How: Microgravity.com is an interactive and dynamic website to provide: ........ educational and reference materials, ........ forums for: questions and answers, ........ forums for: discussions and postings of research and educational projects, ........ news on NASA, European Space Agency, and other government space work, ........ news on the private sector's space work, ........ markets for products and services related to microgravity, space, research and education. TM MicroGravity.com Welcome to the apex of information on microgravity.

3. NASA - Microgravity University - Reduced Gravity Student Flight Opportunities Pr Generating an idea for a microgravity experiment is the first stage in competing for a program “slot.” The idea for a reduced gravity experiment is http://microgravityuniversity.jsc.nasa.gov/

Microgravity University Home About the Program Creating a Proposal Prior Campaigns ... Login WELCOME About the Program FAQs Flight Video Generic Flight Week Schedule ... Whom to Contact The Reduced Gravity Student Flight Opportunities Program provides a unique academic experience for undergraduate students to successfully propose, design, fabricate, fly and evaluate a reduced gravity experiment of their choice. Creating a Proposal Application Checklist Forming a Team How to Apply ... Media Coverage View past Student Flight Programs and media coverage. NASA Home NASA/JSC Home JSC Education Microgravity University Home ... Web Accessibility and Policy Notices

4. Weightlessness - Wikipedia, The Free Encyclopedia The term microgravity is also used because weightlessness in e.g. a NASA s microgravity University Reduced Gravity Flight Opportunities Plan, http://en.wikipedia.org/wiki/Weightlessness

Weightlessness From Wikipedia, the free encyclopedia Jump to: navigation search This article needs additional citations for verification Please help improve this article by adding reliable references . Unsourced material may be challenged and removed. (February 2008) "Zero gravity" redirects here. For other uses, see Zero gravity (disambiguation) Astronauts on the International Space Station display an example of weightlessness. Michael Foale can be seen exercising in the foreground Weightlessness is experienced by people during free-fall . Although the term ' zero gravity ' is often used as a synonym, weightlessness in orbit is not the result of gravity itself being eliminated or even reduced significantly (in fact, the acceleration towards earth due to gravity at an altitude of 100 km is only 3% less than at the earth's surface.) Weightlessness (roughly speaking) occurs when a body (e.g. a person) is: falling freely; in orbit; in outer space (far from a planet, star, or other massive body); in an airplane following a particular parabolic flight path (e.g. the " Vomit Comet "); or one of several other (even more unusual) frames of reference.

5. Space Flight Systems Directorate Is responsible for planning, advocating, directing, and implementing space experiments in technology and microgravity science.This Division at the Glenn http://microgravity.grc.nasa.gov/

The nasa.gov site requires that JavaScripts be enabled in your browser. For instructions, click here AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0','width','584','height','155','title','Space Flight Systems Header','src','flash/countdown9','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','flash/countdown9' ); //end AC code Please upgrade your Flash Player Space Flight Systems Links Acronyms Articles Code M Org. Chart Countdowns ... SFS Internal (NASA GRC only) Robert W. Moorehead Moorehead is Director of the Space Flight Systems Directorate, which manages, conceptualizes, develops, and integrates flight and ground systems to support NASA's exploration and science objectives. + Read More William R. (Randy) Humphries Humphries is the Deputy Director of the Space Flight Systems Directorate. In this position he provides center-level planning, organizing, and directing of activities required to accomplish the directorate's goals. + Read More Orion Project Gallery Constellation Gallery Space Operations ... Projects Gallery NASA's New Spaceship

6. Howstuffworks "How Weightlessness Works" How Weightlessness Works. by Craig C. Freudenrich, Ph.D. Inside This Article. 1. Introduction to How Weightlessness Works. 2. Encountering microgravity. 3. http://science.howstuffworks.com/weightlessness.htm

HowStuffWorks.com RSS Make HowStuffWorks your homepage Get Newsletter Search HowStuffWorks and the web: Science Space Spaceflight Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section. Related Categories: REFERENCE LINKS Print Email Cite Please copy/paste the following text to properly cite this How Stuff Works article: How Weightlessness Works by Craig Freudenrich, Ph.D. Inside This Article Introduction to How Weightlessness Works Encountering Microgravity How You Feel in Microgravity Countermeasures How You Sense Position and Motion ... articles Photo courtesy NASA One astronaut lifts another with her finger. See more pictures of weightlessness We have often seen pictures of astronauts floating around inside the space shuttle International Space Station or Mir . While weightlessness looks like fun, it places great demands on your body. Initially, you feel nauseated, dizzy and disoriented. Your head and sinuses swell and your legs shrink. In the long term, your muscles weaken and your bones become brittle. These effects on your body could do severe damage on a long voyage, such as a trip to Mars In this edition of HowStuffWorks , we'll take you on an extended journey aboard the International Space Station, where we will examine what weightlessness is, what happens to your body, how these changes come about and what can be done to prevent or reverse these adverse effects.

7. NASA/Marshall Microgravity Science: Overview Unlike these two science areas, microgravity science is in its infancy. Born of the space age, the first space experiments in microgravity science were http://science.nasa.gov/MSL1/themes/micrograv_over.htm

Microgravity Science Overview W elcome to NASA's newest science!! Astronomy is thousands of years old, and began when the first human stared out into space. Chemistry is centuries old, with many of its origins in "alchemy," the attempt to turn lead into gold. Unlike these two science areas, microgravity science is in its infancy. Born of the space age, the first space experiments in microgravity science were carried out only 30 years ago. Our 16 years of research in microgravity science on the space shuttle is therefore just a first step in growing a vibrant and exciting science to generate new knowledge. What is the purpose of Microgravity research? N ASA has a mission to advance and communicate scientific knowledge and understanding about: the universe and the solar system the earth, and the use of the space environment for cutting-edge scientific research This third part of our mission at NASA is microgravity science. We use the unique environment of space, with its near-absence of the effects of gravity, to perform science research that cannot be done anywhere else. What does "Microgravity" mean anyway?

8. UK Microgravity Research UK Research. Dendritic crystal growth in metals Flame in microgravity. References. UK Involvement Main areas and applications of microgravity research http://www.microgravity.org.uk/

Space Life and Physical Science Research in the UK Report from the Royal Astronomical Society Commission on “The Scientific Case for Human Space Flight” 18 October 2005 RAS discussion meeting on The Scientific Case for Human Space Exploration London, 10 December 2004 Outcome of UK Government Review of Microgravity 10 May 2004 Microgravity Research Facilties What is microgravity? Contacts UK facilities Facilities outside the UK UK Research References UK Involvement Main areas and applications of microgravity research UK Microgravity review MRC / BNSC Workshop: Space for Health or Health for Space? ... Where is the ISS? This web site is run by the Rutherford Appleton Laboratory on behalf of the British National Space Centre to provide information about the purpose of orbital research using microgravity (or 'zero-g'), how it is done, and UK work in this area. Jeremy Curtis , UK Microgravity Co-ordinator Rutherford Appleton Laboratory Last updated: var dd=new Date(document.lastModified);document.write(dd)

9. Microgravity Enterprises, Inc. Official site for microgravity Enterprises in Albuquerque, New Mexico. http://www.microgravityenterprises.com/

Announcing New Pricing and FREE Shipping! We Bring Space Down to Earth Microgravity Enterprises, Inc (MEI) is your commercial space company. Founded on the basic principles of the early space program - commercialize space and make it a part of everyday life - we develop space-based products and make them available to the general public at affordable prices. Our goal is to make space accessible, affordable, routine, and most importantly, something that anyone can benefit from every day. We really do "Bring Space Down to Earth" www.LightspeedCA.net

10. Slave To The Light, LLC - Microgravity Movie microgravity tells the story of Eniko, a young Russian Cosmonaut in orbit around the moon. Eniko must fight for her survival against; cabin fever, http://www.s2l.org/featured.html

production photos SFSFF press release "MICROGRAVITY WINS VISUAL EFFECTS AWARD, PLACES 3rd OVERALL in SCI FI FESTIVAL" view trailer Microgravity tells the story of Eniko, a young Russian Cosmonaut in orbit around the moon. Eniko must fight for her survival against; cabin fever, technical difficulties and self-doubt when her return to Earth is repeatedly postponed. Microgravity" is David Sanders' thesis film for his MFA. Written by David Sanders and Seth Talley, the film was shot in 35mm at the Art Center College of Design sound stage. "Microgravity" is being finished in Dolby Digital 5.1 Surround By Seth at The Gear Room, Seattle, WA and will premiere in January 2006. All images, artwork, and video are property of Slave to the Light, LLC. Web site by StarveTheBardies.com

11. Microgravity Research Center: Homepage The microgravity Research Centre (MRC) is part of the Faculty of Applied Sciences of the Université Libre de Bruxelles (ULB), Belgium. http://www.ulb.ac.be/polytech/mrc/

Welcome to the Microgravity Research Center Physical-Chemistry Department of the Faculty of Applied Sciences - ULB HOMEPAGE The Microgravity Research Centre (MRC) is part of the (ULB), Belgium. Our main research activities concern the physics of fluids, physics of interfaces and optical metrology. Studies are carried out experimentally, numerically and theoretically from fundamental to industrial applications point of views. Site under construction Due to prof J.C. Legros retirement, site structure and content is in renewal process. Stay tuned ! Fluid Physics Research Metrology Instruments ... Click here to download a PDF issue of the MRC brochure (882k). A printed version may be mailed to you on demand. th Comments: mrc@ulb.ac.be

12. Human Spaceflight, Microgravity And Exploration Dedicated to the scientific, industrial and commercial communities who require detailed information about the utilisation of the International Space Station http://www.spaceflight.esa.int/

Dedicated to the scientific, industrial and commercial communities who require detailed information about the utilisation of the International Space Station and the experiment facilities on the Station available for European users.

13. Microgravity Combustion Laboratory, UC Berkeley Micro Combustion Laboratory, Combustion Processes Laboratories. University of California Berkeley. http://www.me.berkeley.edu/mcl/

MICROGRAVITY COMBUSTION LABORATORY Part of The Combustion Processes Laboratories MCL is a NASA-funded research facility in the Department Mechanical Engineering at the University of California, Berkeley , aiming at studying the potential onset of fire in environments encountered in spacecraft. The research goals are to better understand and predict material flammability, combustion products, and other fire-safety related phenomena in reduced gravity environments. Research focuses on experimental investigation, theoretical analysis and computational simulations. Some of the experiments are conducted in microgravity facilities, including drop towers, parabolic flights, Space Shuttle and in the future in the International Space Station. Research Overview of our research in microgravity combustion (pdf file) Why Microgravity? Smoldering Combustion Current Projects: FIST F orced I gnition and Flame S pread T est): The project objective is to study the effect of low gravity on the flammability diagrams of combustible materials used in spacecraft's. The microgravity tests will be conducted in the International Space Station, with the first flight manifested for October 2004. Smoldering Combustion: STAF S moldering and T ransition to F laming in Microgravity): The objective of this project is to predict smoldering and the transition to flaming of foams, composite and cellulose materials in conditions expected in space based facilities. It includes experiments in normal gravity and in microgravity the latter will be conducted aboard the International Space Station.

14. CAMMP - Center For Advanced Microgravity Processing The Center for Advanced microgravity Materials Processing (CAMMP) is a NASAsponsored Center established in 1997 at Northeastern University. http://www.atsweb.neu.edu/cammp/

Mission Partners Facilities Research ... Contact CAMMP is situated at the Egan Research Center at Northeastern University, Boston. The university-based center attracts top graduate students from all over the world. Opportunities at the Frontiers of Materials Research The Center for Advanced Microgravity Materials Processing (CAMMP) is a NASA-sponsored Center established in 1997 at Northeastern University CAMMP is one of the twelve NASA centers under the Space Partnership Development (SPD) at major universities nationwide. It is focused on materials science. CAMMP's mission is to stimulate innovations in materials technology and to develop commercial dual use technology for NASA's exploration missions and commercial products through knowledge gained from ground-based and, where appropriate, microgravity research. Click icons above to view video clips. Please allow 30 seconds for QuickTime plug-in to initialize.

15. Microgravity | Claudio Fabián Penoff Translate this page desarrollo profesional de sitios web, gráfico y multimedia. http://www.microgravity.org/

16. :: NASA Quest > Space :: The 132meter drop creates a microgravity environment for a period of 5.2 seconds. A smaller facility for microgravity research is located at the NASA http://quest.nasa.gov/smore/background/microgravity/MGintro3.html

Creating Microgravity Drop Towers and Tubes In a practical sense, microgravity can be achieved with a number of technologies, each depending upon the act of free fall. Drop towers and drop tubes are high-tech versions of the elevator analogy presented in a previous section. The large version of these facilities is essentially a hole in the ground. Drop towers accommodate large experiment packages, generally using a drop shield to contain the package and isolate the experiment from aerodynamic drag during free fall in the open environment. NASA's Glenn Research Center in Cleveland, Ohio has a 145-meter drop tower facility that begins on the surface and descends into Earth like a mine shaft. The test section of the facility is 6.1 meters in diameter and 132 meters deep. Beneath the test section is a catch basin filled with polystyrene beads. The 132-meter drop creates a microgravity environment for a period of 5.2 seconds. To begin a drop experiment, the experiment apparatus is placed in either a cylindrical or rectangular test vehicle that can carry experiment loads of up to 450 kilograms. The vehicle is suspended from a cap that encloses the upper end of the facility. Air is pumped out of the facility until a vacuum of 10

17. ZARM "Center Of Applied Space Technology And Microgravity" Center of Applied Space technology and microgravity, at Bremen University. With specification of the research facilities including a drop tower. http://www.zarm.uni-bremen.de/

18. DragonflyTV . Discover DFTV . Earth And Space . Microgravity | PBS Kids Go! Use this space science investigation as a science fair project idea for your elementary or middle school science fair! Then tell us about it! http://pbskids.org/dragonflytv/show/microgravity.html

Find out when DragonflyTV is on in your town. var navFO = new PBS_SWFObject("../web_assets/swf/navbar.swf", "navbar", "760", "83", "8", "#ffffff");navFO.addParam("wmode", "transparent");navFO.addVariable("initialNav2Default", "0");navFO.write("navBar"); Home Discover DFTV Earth and Space Who doesn't love rollercoasters? We could spend days on them! Your stomach jumps into your throat and you feel like you're floating. That feeling is weightlessness, which is kind of like what astronauts feel in space. Astronauts call it microgravity, because during the fall you feel only a tiny amount of gravity's pull. We wondered: how do ordinary things behave in microgravity? We searched NASA's Web site and found a way to test what microgravity is like. We made a "drop box" from a regular plastic storage container. We dropped it over a ledge and into an inflatable swimming pool. The height of the ledge was about 5 meters, enough to give us about 1 second of microgravity. We put a fizzing seltzer tablet in the drop box to see what happens to bubbles in microgravity. Second, we put a walking wind-up toy in the box, to see what it does. Last, we wondered what it would be like to ride on a swing in space. We put a small swinging pendulum in the box. We had a wireless video camera inside the box so we could see what happened during the drop. We played back the video in slow motion. Before the drop, we saw the fizzy bubbles rising. Then they just stood still during the drop! Bubbles don't float up in microgravity! The walking toy walked like normal during microgravity, although it started to lift up off the floor of the box a little bit, like it was floating. The swinging pendulum was swinging back and forth right before the drop, but then the pendulum swung all the way around in one direction in microgravity.

19. BS105 Biosphere Microgravity His two first albums as Biosphere, microgravity and Patashnik, where released by Origo Sound in Norway and R S subsidiary Apollo for the rest of the world http://www.beatservice.no/release.asp?catno=105

20. NASA - Exploration Systems - Exploration Systems Mission Directorate Newsletters Archieved news about research activities, people, and events in the field of microgravity science. http://exploration.nasa.gov/documents/newsletters.html

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