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... astronomy and of science. Even before it was launched, Hubble was the subject of an important history book, The Space Telescope: A Study of NASA, Science, Technology and Politics, by Robert ... the National Air and Space Museum in Washington, D.C. “We had to get it right. We couldn’t screw up Hubble,” Cepollina said. Just relying on photos or drawings of ... , and the space shuttle was periodically grounded due to an annoying series of problems. The importance of the servicing mission to the future of NASA was reflected in several high-level ...

... that far from the right technology. It is either stowed aboard the vehicles or transported to the vehicle, as in the case of the ISS. It is important to emphasize that there ... worthwhile. As one of the astronauts stated, "I think we explore because it's the right thing to do to learn. We've always been explorers. It's in our nature ...

... will be needed. These industries will need all sorts of different skills, so you're right—not just rocket scientists will be needed. In space there will be a need ...

... needed and if they are available. The tested procedures would take into account having the right tools and ensuring that the problem can be fixed with the tools available to the ...

... living places are very simple. It is not hard to live in space with the right equipment and training. Over the next many years we will build larger and higher quality ...

Gravity is very important to our life on Earth. Without gravity, we would simply float around with nothing to ...

Weighted shoes would help you to function more normally in a reduced gravity environment; however if there were no gravity, weighted shoes would not help. Every celestial body has a specific escape velocity—this is the speed that needs to be achieved to escape the gravitational pull. For the Earth, this speed is approximately 25,000 miles per hour (mph). For the Moon, it is about 5,300 mph. ...

For launch the Space Shuttle's external tank is loaded with about 230 thousand pounds of liquid hydrogen and 1.4 million pounds of liquid oxygen. Additionally, just for the ascent part of flight, each solid rocket booster will burn approximately a million pounds of solid propellant. These are highly flammable substances. There are many plans and emergency procedures for the crew to escape during ...

Whoever provides it, you will have to have a pressurized chamber to live in, oxygen to breathe (probably mixed with nitrogen just like here on Earth), food to eat if you are gone for more than a day, water, a way to go to the bathroom, something to control the temperature, clothes to wear, and personal hygiene supplies. ---- Answer provided by Roger Crouch, Ph.D. Image:K2S logosmall.jpg ...

Prevention of dental cavities includes the use of fluoride rinses, appropriate diet, brushing, and flossing—most recommendations are to brush twice a day and floss once a day. The fluoride rinses could take the place of fluoride in the water. It would also be possible to use antibacterial rinses, which can stop the bacteria that cause cavities. Response credit to Dr. Jay Buckley (JB) ...

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