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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.
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Category:Kids To Space
Category:Kids To Space - GALAXY, SOLAR SYSTEM and UNIVERSE
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 by Jim Zebrowski
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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... 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 ... much.
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Answer provided by Derek Webber
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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... deg; F to over 200° F in the direct sunlight. If the Sun is in a very active part of its cycle, giant outbursts from the Sun called coronal mass ejections (CME) ... have some early warning from monitoring spacecraft like the Solar and Heliospheric Observatory (SOHO) so they could take shelter in the better radiation-shielded parts of the ISS.
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Answer provided by Jim Zebrowski
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Because there is no atmosphere, the Moon does not have weather like the Earth. However, it is exposed to solar radiation storms which are considered to be a form of space weather. ... Matula, Ph.D. & Kenneth J. Murphy
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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The dark areas on the Moon are known as maria (MAHR ee uh). The word maria is Latin for seas; its singular is mare (MAHR ee). The term comes from the smoothness of the dark areas and their resemblance to bodies of water. The maria are cratered ...
The surface is pretty strange. We know from analyzing the infrared light reflected from Pluto that its surface is a mixture of a lot of different sorts of ice (ordinary water ice, plus frozen ... by Dr. John Spencer, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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Space weather is vastly different than terrestrial weather. It generally involves storms on the Sun—enormous masses of plasma (electrons and protons) impacting the Earth and creating electrical currents high in the atmosphere (aurora) and in the ground along pipelines. The plasma from the Sun penetrates satellites, causes radiation damage to ...
They are big like the Earth, or they are really big like Jupiter, Saturn, Uranus, and Neptune. Pluto is the smallest; smaller than our Moon.
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Answer provided by Ed Frederick, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the book ...
... for one second. Kinetic energy is the energy of motion and is also measured in joules, equal to half the mass multiplied by the velocity squared. For example, one joule is the energy in a two kilogram ... a propellant composed of a rubber-like fuel, with some powdered aluminum in it, mixed with ammonium perchlorate as the oxidizer. The upper stages of the Saturn V and the Space Shuttle main engines ...
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