TY - BOOK AB - "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."-- AU - Rusch, Elizabeth, AU - Anderson, Karin CN - QB651 CN - QB651 ID - 808081 KW - Asteroids KW - Asteroids KW - Meteorites KW - Extinction (Biology) N2 - "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."-- SN - 9780544671591 SN - 0544671597 T1 - Impact! :asteroids and the science of saving the world / TI - Impact! :asteroids and the science of saving the world / ER -