Martin, Claudia

"It's time to explore space! Learn all about the history and science of humans making discoveries beyond Earth, from the first time humans looked into the sky to blasting beyond our solar system. Detailed diagrams and in-depth text along with backmatter comprehension questions will engage readers to explore everything our galaxy has to reveal"--.

Text and illustrations look at the Indus civilization, focusing on farming and food, arts and crafts, and entertainment.

"Young readers can journey through the far-reaches of space with this . . . hardback encyclopedia, richly illustrated with . . . full-color space photography. From asteroids to auroras and moons to the Milky Way, this fact-packed encyclopedia contains everything you need to know about space! Readers can learn about the moons of Jupiter, the search for extra-terrestrial life, super massive black holes, and everything in between"--Provided by publisher.

Carbon dioxide fills the air as airplanes fly through the sky, packaging from travel-sized snacks piles high in landfills, and paper travel tickets are adding to global deforestation.

Trees are chopped down to supply classrooms with paper, disposable pens pile high in landfills, and pollution from transporting ingredients for school lunches hangs in our air.

Straws slip into the oceans, foods go bad before we get a chance to eat them, and all that food packaging is filling the world with garbage.

Trashed toys land in landfills, chemicals in batteries and e-waste make them dangerous to destroy, and toy packaging is causing a pollution panic.

Piles of paper towels wind up in landfills, plastic toothbrushes lose their use long before they leave Earth, and dish soap harms our underwater friends.

Landfills are piled high with tossed clothes and shoes, clothing hangers harm our flying friends, and tiny microfibers from our fabrics are becoming fish food.

Could there be life on other planets? How close is the nearest black hole? Will humans ever set foot on Mars? Find out the answers in this . . . reference guide.