TY - BOOK AU - Nargi,Lela TI - MYSTERIES OF PLANETS, STARS, AND GALAXIES / T2 - Solving space mysteries SN - 9781496687180 U1 - 523.4 23 PY - 2021/// CY - North Mankato, Minnesota PB - Pebble, a Capstone imprint, KW - Planets KW - Juvenile literature KW - Extrasolar planets KW - Life on other planets KW - Astronomy N1 - Includes bibliographical references (page 31) and index; Is anybody out there?; Beyond our solar system; What life needs; Where is everyone?; Going extrasolar; A vast universe N2 - "Does life exist somewhere other than Earth? How many planets are outside our galaxy? What happens when stars crash into each other? For a long time, people believed Earth was the only planet in the galaxy. Now we know the universe is much bigger. Budding astronomers will learn all about planets, stars, and galaxies, from what's already known to what scientists are still hoping to find out"-- ER -