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The radius of the Moon is measured from its center of mass to its surface. For the Moon this is, on average, about 1,080 miles. The Earth's radius at the equator is 3,963 miles making the Moon's radius 27.25 percent that of the Earth. http://www.nasa.gov/worldbook/moon_worldbook ...
... and 2, the Russian rovers on the Moon, were both around the same size: 1,850 pounds. Compared to the two Martian rovers, Spirit and Opportunity that are each only 400 pounds, it is easy to ... either the Moon or Mars rovers. It is an important fact that the farther away a robot has to travel, the lighter it should be. The lighter something is, the cheaper it is to send into space. The smallest is the American ...
The Moon actually has three lengths, and its shape is technically known as a triaxial ellipsoid. As you look at the Moon, there is an axis that runs straight through it at the center pointing towards Earth (the ... adequate maps yet of the Moon to have an exact number for the diameters noted above, but on average the diameter of the Moon is about ~ 2,160 miles. http://www.nasa.gov/worldbook/moon_worldbook.html (See ...
The Moon is about as old as the rest of the solar system— 4,560,000,000 years, based on radioactive decay dating of lunar ... /For%20Kids/KidstoSpace.html Click here
Category:Kids To Space
Category:Kids To Space - THE MOON
... The known or observable limit of what we can see within our Universe (due to the limiting factor of the speed of light) is about 13.7 billion light years That number is so big that I can't even come up with a comparison to make it meaningful.
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Answer provided by Jim Zebrowski
Image:K2S logosmall.jpg Question and Answer extracted from the ...
... , National Space Transportation System Reference, Volume 1 Systems and Facilities, June 1988.
This document is available on the Internet at: http://science.ksc.nasa.gov/shuttle/technology/sts-newsref/stsreftoc.html sts ...
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Answer provided by Jon H. Brown
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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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 ...
Pluto is about 70 percent as big as the Earth's Moon, or 18 percent as big as the Earth. It's the smallest planet but is twice the size of the largest asteroid, Ceres.
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Answer provided by Dr. John Spencer, Ph.D.
Image:K2S logosmall.jpg Question and Answer extracted from the ...
... . The Moon's density (mass divided by volume) is about 208 pounds per cubic foot, roughly 60 percent of Earth's density. Comparing the mass of the Moon with the mass of the Earth shows how much less massive the Moon is. Remember, a ton is 2,000 pounds. Mass of: pounds Moon 162,000,000,000,000,000 ...
... 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 ...
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