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Displaying 1—10 of 1000 matches for query "03._What_is_the_Sun_made_of" retrieved in 0.031 sec with these stats:
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The Sun is our nearest star and is composed of mostly hydrogen and helium. It is a giant ball of incandescent gas 872,000 miles in diameter, which gives off energy across the entire electromagnetic spectrum.
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Answer provided ... /For%20Kids/KidstoSpace.html Click here
Category:Kids To Space
Category:Kids To Space - THE SUN
White light is a combination of all the wavelengths emitted by the Sun in the visible spectrum. When we see a material that is black, it is absorbing most of the light hitting its surface so it appears black to our eyes. You might think of ...
One reason scientists think that the Moon came from an enormous impact long ago in Earth's history—the big whack theory—is that the abundance of elements in the Moon's crust are very similar to those found in the Earth's crust. These chemicals are all mixed together in the form of ...
It is hard to come up with an average figure. Because they are all different sizes, there are no "satellite showrooms" and every satellite is specially made. Also, satellites go into a range of different orbits. A typical rocket launch of a communications satellite will cost about $100 million, while the satellite itself might cost ...
Flying in space is dangerous, and always will be. It's an unforgiving environment. Currently we have lost one ... . Col. USAF (Ret.) William G. Gregory
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
Our galaxy is a giant, swirling collection of stars. It has four arms that wrap around a large core of stars. At the center of the core is a massive black hole.
Image:K2Sgalaxy.jpg border 200 px
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Answer provided by Jim Zebrowski
Image:K2S logosmall.jpg Question and Answer extracted from the book ...
... in an arc trajectory, like a ball flying through the air (this when the rocket is not powerful enough to reach orbit). The first sub-orbital hop was by astronaut Commander Alan ... number of people who have completed sub-orbital hops, including the SpaceShipOne pilots Mike Melvill and Brian Binnie. The shortest duration flight for someone reaching orbit was the Russian cosmonaut Yuri Gagarin, the ...
... of sleep a night. This is probably due to a variety of factors, such as a busy schedule, and the adaptation to spaceflight. On longer duration missions they can get six to eight hours of sleep a night, depending on the person.
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Answer provided by Dr. Jay C. Buckey, Jr.
Image:K2S logosmall ...
... horizontally at speeds of at least 17,500 miles per hour (mph) but remain under the influence of Earth's gravity. When the calculations are done correctly, there is a tug of war between the tendency to speed off in a straight line, and Earth's attraction, which results in pulling the spacecraft back into a circuit of the Earth. At the lowest orbital ...
... can be launched from Earth. The limiting factor usually is the lift capability of the booster—in the case of the NASA Space Shuttle, the two solid rocket boosters plus the three main engines. The NASA Space Shuttle weighs about 4.5 million pounds at lift off, and the ...
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