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There are 13 books in this set.
In 2006, the International Astronomical Union officially defined the word "planet", classifying Pluto as a dwarf plant. All text and diagrams in these up-to-date books reflect the change clearly and accessibly for your youngest readers. The Pluto title explains what a dwarf planet is. Stay current with these revised editions!
Have you ever wanted to travel to the Moon? Do you wonder how people can travel in space? Read more to find out how these brave scientists risk their lives to ...
There is so much to learn about the planet we call home. Learn about Earth’s conditions and what makes it unique in the solar system.
Are you ever scared of storms? Can you imagine being inside a storm that is twice as big as Earth? Read about Jupiter’s storm, the Great Red Spot, and other ...
Visit the Red Planet! Find out how it might be possible to live on Mars someday.
Mercury can be as hot as an oven or as cold as a freezer. Learn more about this rocky planet.
From Earth, the Moon looks like a bright white ball. Take a closer look and you'll find the Moon's surface is gray and dusty. Find out more about the Moon ...
Neptune is known for its bright blue color. Learn more about the fascinating world of Neptune.
Pluto is now a dwarf planet. Learn more about the fascinating, cold world of Pluto.
Saturn’s rings are an amazing sight to see. Learn about Saturn’s rings and other features of this fascinating planet.
From Earth, stars look like small points of light. Up close, you'll find that some stars are larger than Earth. Read about the kinds of stars that light up ...
Did you know the Sun is really a star? That bright yellow star gives Earth light and heat. Find out more about the Sun and its place in the solar system.
Uranus is a big planet of clouds, gases, and liquid. Read to learn more facts about the planet.
Venus is the same size as Earth. Learn more about the solar system’s hottest planet.
"In contrast to the "Astronomy Now!" series, Mars receives more careful treatment here, even though (like its eight series mates) it totals fewer than 160 words in length, plus back matter. Except that each volume opens with a schematic view of the plane" - School Library Journal
November 1, 2007
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