| The Shuttle Astronaut Biographies |
| NASA - Astronaut Biographies |
| http://www.jsc.nasa.gov/Bios/ |
| Biographies of all NASA astronauts on active duty since 1995. |
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| astronauts, payload, astronaut, spacecraft, program, selected, refers, flight, astronaut, profession al, contact, office, shuttle, specialist, mission, center, research, commercial, career, johnson, in formation, individuals, launched, community, station, members, international, aboard, cosmonauts, up coming, missions, expedition, candidate, selection, service, provided, through, internet, public, th ousands, applications, training, website, shuttle, intensive, chosen, received, budgets, disseminati on, priorities, inventories |
nasa.gov - rank der domain 852 (377 in US)
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| HowStuffWorks: Weightlessness |
| HowStuffWorks "How Weightlessness Works" |
| http://www.howstuffworks.com/weightlessness.htm |
| Photographs and animations describe space sickness, or space motion sickness, which is caused by con flicting information that your brain receives from your eyes and the vestibular organs located in yo ur inner ear. |
| As the International Space Station astronauts return to Earth after a three-month stay, learn about the effects of weightlessness on the body. |
| microgravity, bones, muscles, Earth, weightlessness, NASA, fluid, head, gravity, shuttle, blood, leg s,
space station, astronauts, brain, loss, pulls, mass, cells, push,
shifts, vestibular, motion, water, decrease, scale, acceleration, flight, nausea |
| science, howstuffworks, weightlessness, google, microgravity, weightlessness, spaceflight, informati on, articles, countermeasures, article, introduction, inside, effects, encountering, position, motio n, freudenrich, length, station, pictures, international, videos, initially, demands, brittle, becom e, shrink, muscles, weaken, places, disoriented, sinuses, nauseated, natural, disasters, related, vi deos, adverse, amazing, categories, function, google, bidtype, request, return, reverse, prevent, ed ition, severe, damage |
howstuffworks.com - rank der domain 812 (355 in US)
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| Female Astronauts |
| Women Astronauts - Pictures of Women Astronauts - Women in Space - NASA photographs |
| http://womenshistory.about.com/library/pic/bl_p_astronauts_women.htm |
| Images and resources about female astronauts. |
| Photographs of women astronauts, women who have flown in space. |
| pictures, astronaut pictures, women astronaut pictures, women, images, photographs |
| margin, astronauts, history, adunit, female, pictures, astronaut, program, kathryn, astronauts, pilo ts, domain, document, history, padding, trainees, function, photographs, decoration, cochrannichelle , related, tereshkova, jacqueline, 35enter, biography, astronautwasp, jerrie, cobbfirst, cobbjerrie, galleryprevnextjerrie, articlesmercury, nicholsfirst, indexprevnext, indextext, suggested, readingw omen, timelinekey, ridekathryn, sullivan, sullivansally, sullivangraphic, astronautschrista, mcaulif fesally, commae, jemisonellen, rideelsewhere, candidatesfirst, astronautssally, astronautsfirst, ame rican, ochoavalentina |
about.com - rank der domain 82 (42 in US)
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| Science/Technology/Space/Space_Shuttle/Astronauts |
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| Science/Technology/Space/Space_Shuttle/Astronauts |
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| An Intuitive Guide to Weightlessness |
| An Intuitive Guide to Weightlessness |
| http://anazhou.cnc.net/weightless/weightless.shtml |
| Science education site describes the phenomenon of weightlessness, including the difference between weight and mass, and weightlessness resulting from parabolic flight. |
| A simple scientific explanation of weightlessness in space and at home |
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| weight, weightlessness, astronauts, weightlessness, travel, weightless, pushing, intuitive, against, weaker, inside, because, farther, gravity, however, breeze, spring, pounds, bottom, experience, wei ght, object, example, bigger, larger, security, moving, longer, rather, almost, exactly, experienced , fraction, second, through, 4bf4e400, jumping, yourself, picnic, experiments, freely, without, fall ing, person, invisible, principle, 5946135, project, suggest, article, anything |
cnc.net - rank der domain 941094 (397528 in US)
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