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... 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 see which are the biggest. CanadArm 2, on the ISS, is still the ... 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 ...

... 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. ---- 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 ... ---- Answer provided by Jon H. Brown Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer Image:9781894959421.jpg '''Buy This ...

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 ... Matula, Ph.D. & Kenneth J. Murphy Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer Image:9781894959421.jpg '''Buy This ...

One of the favorite pastimes of all astronauts is to spend time in a darkened Shuttle near the window looking down on the Earth as it rapidly and silently moves below. It is an exhilarating and incredible feeling to see our entire blue planet against the jet black ...

... 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 ... lift off, and the total boost thrust is about 7.8 million pounds. After the orbiter lands, it weighs about 230,000 pounds, depending on how much of the payload is returned. (Ref.1) ...

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. ---- Answer provided by Dr. John Spencer, Ph.D. Image:K2S logosmall.jpg Question and Answer extracted from the ...

Jupiter is about 2.5 times more massive than all of the other planets in our solar system combined. It has a diameter eleven times greater than ... 's and a planetary volume of over 1300 times that of Earth's. While Jupiter is the largest planet in our solar system, scientists have recently discovered planets in other solar systems ... provided by Laura Peckyno & Robert Peckyno Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer Image:9781894959421.jpg '''Buy This ...

... structure on the Moon, and possibly in the solar system, is the Aitken Basin on the far side of the Moon. This impact was so large that it punched through the crust of the Moon and exposed the relatively warmer, softer mantle material underneath. It is ...

... 8,000 miles across from side to side, or 25,000 miles around the equator, which is pretty big—a modern jetliner takes nearly two days to fly around it. But an ... , which is 11 times bigger than Earth. The Earth is almost a perfect sphere but is slightly flattened at the poles, so there is a difference of 25 miles in the diameter at the equator, and at the poles. ---- Answer provided by Derek Webber Image:K2S logosmall.jpg Question and Answer extracted from the ...

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