It's National Aeronautics and Space Administration.
There are several exercises that can be done in zero-G, any of which you can do here on Earth.
"Isometric" exercises, in which you use one muscle in opposition to another, require no equipment and can be done anywhere. Here's an example; press your two hands together. Push HARD. Relax. Push; relax. This is an "isometric" exercise, meaning "same movement". Here's another; Place your left hand on the inside of your right knee, and the right hand on your left knee. Use your arms to push your knees apart, and use your legs to pull them together. Or, reach down and grab your chair, and PULL yourself down into the chair. (Please DO NOT do this one in the seat of a fighter jet, as you might accidentally grab the alternate ejection seat handles!)
Other exercises that can be done on Earth or in zero-G involve flexing against a bungee cord or large rubber band, or using a resistance device like a rowing machine or a stationary bike.
The bad news is there are a limited number of jobs, and the qualifications are pretty intense. In addition to a bachelor’s degree, you also must have a master’s degree or two years of PhD work in specific STEM areas. You also qualify if you’re a medical doctor or if you’ve begun or completed a test pilot program. From there, you also need to fit into one of the areas of specialization (two years of biological and medical science, physical science, or engineering and operations work experience, or fit their pilot qualifications).
And of course, you’ll have to be okay with the “extensive travel” required.
The reason why is, the astronaut and the spaceship are traveling at the same speed.
The astronaut would have to careful though! Because, if the astronaut pushed away slightly from the spaceship as the astronaut stepped out, the astronaut would drift away from the spaceship and would continue to drift across space forever, provided the astronaut didn't bump into anything out there or get sucked in by the gravity field of a planet or a star.
That's why when they do an EAV (Extravehicular Activity) they have to either be tethered to the spacecraft or have a MMU (Manned Maneuvering Unit). The MMU is kinda like a jet pack of sorts, it lets the astronaut fly around the spaceship with compressed jets of air.
There are more space technology spinoffs than people realize, and though most are used in Engineering, Industrial, and Scientific applications, but a few consumer applications that are more well known are:
Lithium Ion Batteries - not originally developed for NASA, but NASA funded further development to power the HST / ISS Pistol Grip Tool. The technology has found its way into the global marketplace.
Solid State Devices (SSD) - SSD technology was developed for the Hubble program. The original recording device on Hubble actually had magnetic recording tapes; the Solid State Recorder, developed in the early 90's and deployed on HST on the 1st Servicing/Repair mission, replaced the old recorder and is the foreunner of SSD devices. SSD technology is widely used today in Flash drives, SSD disk drives, etc.
Tempurpedic Foam (Memory Foam) - The Tempurpedic company is the only one that used NASA's technology for memory foam, using the patented NASA technology through NASA's partnership program. The material was specifically designed for use on Astronaut seats in the Shuttle.
Imaging Technology - CMOS sensor technology, widely used in digital cameras, medical scanners, and many other applications, was further developed for use on the Hubble Telescope. Imaging technology continues to advance as a result.
MARCbot - The MARCbot, currently used by thousands of soldiers in Iraq to locate IED's, was significantly upgraded by NASA engineers, improving its capability, mobility, and cost per unit.
You can view many of the hundreds of spinoffs at NASA's Spinoff site - the link is below.
NASA provides vast archives of satellite imagery much of which are available online such as the NASA Image Gallery.
Google Maps is a great tool to see satellite imagery of earth. Remember to change "Map" view to "Satellite" to display the satellite imagery.
If you need better (higher resolution) imagery, you could try other mapping programs or, if you have the resources, you could consider purchasing imagery for your own use.
Here are a few companies with websites to start with, but there are others, try doing an internet search for satellite and aerial imagery:
She won the Name The Rover contest and named the most recent Mars Rovers: Spirit and Oppurtunity. She won the Name The Rover contest and named the most recent Mars Rovers: Spirit and Oppurtunity.
The space shuttle Challenger exploded in 1986.
Painting the interior or the exterior of a house can
be quite an arduous task, but few realize that
adding a fresh splash of color to the walls and siding
of their homes can lead to reduced energy consumption
and substantial savings on utility bills. Hy-Tech
Thermal Solutions, LLC, of Melbourne, Florida, is producing
a very complex blend of ceramic vacuum-filled
refractory products designed to minimize the path of hot
air transfer through ceilings, walls, and roofs. The insulating
ceramic technology blocks the transfer of heat outward
when applied to paint on interior walls and ceilings,
and prevents the transfer of heat inward when used
to paint exterior walls and roofs, effectively providing
year-round comfort in the home.
As a manufacturer and marketer of thermal solutions
for residential, commercial, and industrial applications,
Hy-Tech Thermal Solutions attributes its success to the
high performance insulating ceramic microsphere originally
developed from NASA thermal research at Ames
Research Center. Shaped like a hollow ball so small that
it looks as if it is a single grain of flour to the naked eye
(slightly thicker than a human hair), the microsphere is
noncombustible and fairly chemical-resistant, and has a
wall thickness about 1/10 of the sphere diameter, a compressive
strength of about 4,000 pounds per square inch,
and a softening point of about 1,800 ºC.
Hy-Tech Thermal Solutions improved upon these
properties by removing all of the gas inside and creating
a vacuum. In effect, a "mini thermos bottle" is produced,
acting as a barrier to heat by reflecting it away from the
protected surface. When these microspheres are combined
with other materials, they enhance the thermal
resistance of those materials.
So... the short answer is a resounding YES!!
No,they might take off their space suits in the rocket, if you watch apolio 13 then you'll understand
An Orbital space flight simply means that you have accelerated a space craft fast enough so it stays in orbit (cicular path) around the Earth.
A suborbital flight means you have reached the limit of space (anything over 100 km high) but not enough speed to completely circle the Earth.
Enterprise (OV-101) - Originally to be named Constitution, the name was changed to "Enterprise" after a write-in campaign by fans of the 1960's "Star Trek" TV series. Orbital Vehicle #101 was used for the initial Approach & Landing Tests (ALT) of the Space Transportation System (STS) at NASA-Dryden Flight Research Center, Edwards AFB, Calif., and "fit checks" at launch pads 39A and 39B at the Kennedy Space Center, Florida and SLC-6 (Space Launch Complex #6) at Vandenberg AFB, Calif. Currently on display at the National Air & Space Museum's Udvar-Hazy Annex near Dulles International Airport.
Columbia (OV-099) - 1st reusable space shuttle to orbit Earth. Launched April 12, 1981; Lost with crew of seven during re-entry on mission STS-107 on Feb. 1, 2003
Challenger (OV-102) - Lost with crew of seven approximately 73 seconds into flight during STS-51L on Jan. 28, 1986
Atlantis (OV-103) - Decommissioned.
Discovery (OV-104) - Decommissioned.
Endeavour (OV-105) - Built as replacement to Challenger; name chosen during a nation-wide school contest. It utilized the British spelling and is named in honor of Capt James Cook's ship of exploration. Decommissioned.
The Space Shuttle Fleet Consisted of 6 Orbiters, however, only 5 were used in space flight.
1. Enterprise (used for landing tests never flown in space)
2. Columbia (first Shuttle, destroyed in 2003)
3. Challenger (Destroyed in 1986)
4. Discovery (retired on March 9, 2011; will go on display at the Smithsonian Institute)
5. Atlantis (retired July 21, 2011; will go on display at the Kennedy Space Center Complex)
6. Endeavour (retired June 1, 2011; will go on display at the California Science Center in Los Angeles)
The percentage of the federal budget for NASA and space research has not kept pace with our dreams, or with the pace of scientific discovery since the Apollo Years. Entire generations weaned on 'Star Trek' and 'Star Wars' demand more from NASA than what we are financially willing to commit to this great adventure. Because NASA must obey the laws of nature, and most of these laws require expensive solutions, NASA cannot continue this decline without great human and technological risk. (Credit: The Author).
The recent budgets are at a level of about $15 billion and amount to one percent of our total federal budget. In the 1960's this fraction was closer to 5%. Since the 1980's it has been slowly declining until by 2003 it is just under 0.7%. We spend as much on NASA as we do buying potted plants and gardening materials every year. You can hardly argue that we, as a Nation, have a very serious attitude towards space. About 10 percent of the NASA budget goes to aviation. The remainder goes to space research both manned and unmanned. Since the beginning of NASA back in 1959, a total of $466 billion has been spent by NASA over 44 years when correction to '2003 dollars' is made to take into account inflation.
It's interesting to note that $466 billion about equal to a single-years expenditure by the Department of Defense. It is well known that NASA is horribly under-funded compared to the objectives and missions it is asked to carry out. If the budget were doubled you would see many more very ambitious engineering and scientific projects to detect life and planets orbiting other stars. There would be a full-fledged lunar research outpost with some very impressive telescopes in operation. During the last 20 years we have spent endless time 'debating' why we need a Space Station, why we 'really' need to go to the Moon and Mars etc. While the debating goes on, and budgets are reduced, we loose precious opportunities to carry out these projects at lower cost than what we now have to pay. When the USSR was still our enemy, the debate was about political prowess and national security. But today, it is infinitely harder to convince anyone to do anything that costs money other than prepare for war or national defense.
It will take a national calamity such as a direct asteroid impact on a major city to change this around. The second problem is that our basic understanding of how to carry out large projects is still rudimentary. We do not know how to put someone in space for more than 200 days without serious medical impacts. We do not know how to build a closed biological system for long-term habitation. Our technologies for putting material in orbit still cost thousands of dollars a pound. Even if we had more money, it is not obvious how to accelerate the learning process, but it would sure help to have more resources and people involved. But we cannot seem to convince anyone that without reliable support and investment, we will never be able to solve these big problems that still daunt us. No matter how clever we think we are as designers, Nature can not be short-changed and still allow us to operate safely in space.
There have been six shuttles, the first being the Space Shuttle Enterprise (OV-1). Although the Enterprise was never intended for use in for orbital missions, its primary use was as a test vehicle for in-atmosphere flight tests of the 747 aircraft "taxi" system that moved the shuttle from Edwards AFB or other alternate landing sites to Kennedy Space Center in those cases where the shuttle couldn't land at KSC. It was also used to test the shuttle's glide and landing capability.
The original 4 space-capable orbiters are:
Shuttle Endeavour (OV-105) was built to replace Challenger.
The easiest way to get pictures of each shuttle is from the main NASA or Kennedy Space Center websites at the links below. Each shuttle is listed by mission, and each mission has a complete record of low and hi-resolution pictures available for download by the public.
For better traction.
To explore space, the last frontier. Of course, nowadays we as a country don't care about national honor very much, so it won't matter to most if we aren't the ones to discover new planets, galaxies, and possibly even life forms or habitable planets.
They use these models to...
Neil Armstrong died August 25, 2012.
If you haven't already checked out these links, you really should. NASA Homepage Kennedy Space Center Homepage And I'm not sure if these links will provide the info you want, but they do have some interesting information. http://www.jsc.nasa.gov/programs/shuttle.html http://space.balettie.com/MCC.html
Challenger (January 28, 1986). Columbia (February 1, 2003) broke up in the atmosphere because of a hole in the wing made by a piece of foam at launch.
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