Mysteries of planets, stars, and galaxies /
by Lela Nargi.
- 32 pages : illustrations (chiefly color) ; 24 cm
-
- Solving space's mysteries .
- Solving space mysteries. .
Includes bibliographical references and index.
Is anybody out there? -- Beyond our solar system -- What life needs -- Where is everyone? -- Going extrasolar -- A vast universe.
"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"--