Is there life in other parts of the universe? How big is the universe? Where is the solar system in the universe? What is the observable universe? How far into the universe can we see without a telescope? Why is it dark in space? How does light travel through the universe? Is space a total vacuum? What was the big bang? What existed before the big bang? What is the cosmic background radiation? Is the universe expanding? What is the universe expanding into? What are high-energy cosmic rays? What is dark energy? Where did matter come from? What is dark matter? What do we know about black holes? What are micro black holes? Are there planets orbiting stars besides the sun? Could the universe be made of strings? Could there be universes besides our own? What is time?
Notes:
Includes bibliographical references (page 62) and index.
Contents:
Is time travel possible? Where is the solar system in the universe? -- What is the observable universe? -- How far into the universe can we see without a telescope? -- Why is it dark in space? -- How does light travel through the universe? -- Focus on: hungry cores -- Is space a total vacuum? -- What was the big bang? -- What existed before the big bang? -- What is the cosmic background radiation? -- Is the universe expanding? -- What is the universe expanding into? -- What are high-energy cosmic rays? -- Focus on: gamma-ray bursts: outshining the universe -- What is dark energy? -- Where did matter come from? -- What is dark matter? -- What do we know about black holes? -- What are micro black holes? -- Are there planets orbiting stars besides the sun? -- Is there life in other parts of the universe? -- Focus on: the universe's largest magnets -- Could the universe be made of strings? -- Could there be universes besides our own? -- What is time? -- Is time travel possible?
Summary:
"An introduction to unusual objects and phenomena in the universe. Includes diagrams, fun facts, glossary, resource list, and index"--Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.