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Author
Publisher
Houghton Mifflin Harcourt
Pub. Date
[2017]
Language
English
Description
Asteroids come in all shapes and sizes--and hit our planet in them, too. But what happens if a catastrophically large one approaches earth? By looking on the ground at historical asteroid craters and present-day falls, and up into space for the big ones yet to come, a wide variety of scientists are trying to figure out how to track asteroids--and how to avoid devastating impacts in the future.
Author
Series
Publisher
Gareth Stevens Pub
Pub. Date
[2013]
Language
English
Description
Asteroids are pieces or rock or metal in space. They range in size from a few feet to several miles wide. Most asteroids orbit the sun between Mars and Jupiter in an area called the asteroid belt. There might be billions of asteroids, but, so far, astronomers have only found a small fraction. Not all asteroids are located in the asteroid belt. Some have different orbits that bring them close to Earth and sometimes other planets can cause asteroids...
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