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Displaying 1—10 of 1000 matches for query "07._How_do_scientists_know_the_number_of_hours_and_days_on_each_of_the_planets" retrieved in 0.095 sec with these stats:
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- "how" found 9066 times in 2689 documents
- "do" found 16375 times in 2434 documents
- "scientist" found 9560 times in 4903 documents
- "know" found 7355 times in 1037 documents
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- "hour" found 5478 times in 2538 documents
- "and" found 284902 times in 19361 documents
- "day" found 12046 times in 5334 documents
- "on" found 78455 times in 14289 documents
- "each" found 4319 times in 2449 documents
- "planet" found 6671 times in 2647 documents
... find that different planets take different numbers of hours, minutes, and seconds to make the turn. Scientists have observed all of the planets in our solar system for many years and timed their rotations. So we know the lengths of days on all of the planets, but we still measure those lengths in the hours, minutes, and ...
... performed to determine the optimum combination of mission phases, including launch, Earth orbit operations, trans-space course, destination orbit operations, destination landing, return to Earth, and Earth landing, as well as the number of crewmembers, tasks to be performed, electrical power required, and necessary expendables. Then a design is developed and refined to meet all these requirements. Budgets are estimated and continually ...
There are pink rocks on Mars. And there are purple and pink rocks on Venus.
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Answer provided by Ed Frederick, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space ... /For%20Kids/KidstoSpace.html Click here
Category:Kids To Space
Category:Kids To Space - PLANETS
... . Minor occurrences happen all the time and are referred to as anomalies. These are investigated to determine the cause and to determine whether or not they will lead to the occurrence of a major event. There is a very low risk of ...
... of elements it is unlikely that there are undiscovered basic elements out in space.
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Answer provided by Charles D. Walker, Ph.D
Image:K2S logosmall.jpg Question and Answer extracted from the ...
... . These garments fit the body like long underwear but have cool water lines that flow all around the astronaut's body to provide cooling. The spacesuit is pressurized with oxygen and is built so ... if the suit is maintaining its pressure. Should a problem occur, the astronaut returns inside to the safety of the spacecraft.
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Answer provided by Lonnie Moffitt
Image:K2S logosmall.jpg Question and Answer extracted from the book ...
... , air, water, and protection from the weather. The critical technologies needed in space are those that provide these necessities—like the capsule that holds in the air and protects astronauts against the radiation and vacuum of space.
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Answer provided by Bradley C. Edwards, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the book ...
... some known facts: how fast we are going, how high we are, and where we want to land. This is an energy-versus-range calculation which determines where the deorbit maneuver begins. ... ,000 miles from touchdown and approximately one hour before landing.
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Answer provided by Col. USAF (Ret.) Frederick D. Gregory
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to ...
... ;the vehicle will shed its rockets, and you will no longer feel the g-forces. This is when you will first feel the sensation of floating. You will see the blackness and emptiness of space above, and bright blue of the Earth underneath. To take this vacation, a guest would have to invest in a lot of preparatory work and training ...
... years of practice the best airplane pilots are recruited to the astronaut corps. Then they learn to fly spacecraft using computerized training simulators. Rotational control of the spacecraft is usually done with the right ... used on the orbiter when it enters the atmosphere. All this is hard to learn, but some people have a natural aptitude for it, and others can learn with a lot of practice.
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