Secrets of the Cosmos: From Solar Eclipses to Mars Expeditions

What is the Oort Cloud? How are rockets tested? How many satellites does Uranus have? What is the temperature on Mercury? Why do stars have different colors? The series «School Encyclopedia» will become an indispensable assistant for students when preparing for reports, tests, and presentations. In the books of the series, strict scientific research transforms into brief and understandable texts that tell readers about the entire diversity of the surrounding world.