Much of what we know today about Earth is from images taken by cameras on powerful telescopes. Edwin Hubble changed our view of the universe. Working in an observatory, he found that there are other galaxies besides the Milky Way. He also showed that the universe is still growing. Lyman Spitzer, Jr. proposed placing telescopes in space, and in 1990, the Hubble Space Telescope was launched. It sends us amazing images of the universe.
Retells the story and adventures of Hercules, discusses the astronomical features of the constellation Hercules, and describes the history of the constellation and its myths in world culture.
Retells the story of Ursa Major as the transformation of Callisto and Arcas, discusses the astronomical features of the constellation Ursa Major, and describes the history of the constellation and its myths in world culture including the role of the Big Dipper in the Underground Railroad.
Retells the story of Ursa Minor as the nurse of Zeus and recounts the tale of Zeus's birth and rise to power, discusses the astronomical features of the constellation Ursa Minor and the star Polaris, and describes the history of the constellation and its myths in world culture.
From electric cars to manned rockets launched into space, Elon Musk has become America's inventor of things we could only imagine before. Read how he did it all, and what he plans to do next!
Ancient astronomers looked at movements in the sun, moon, and stars to guide travelers and keep track of the seasons. Nicholas Copernicus was the first to challenge people's beliefs that Earth was the center of the solar system and is known as the founder of astronomy. Galileo Galilei built a telescope and spotted craters on the moon and sunspots on the sun. Isaac Newton invented the reflecting telescope and discovered the law of gravity. Astronomers continue to work every day to uncover the mysteries of the universe.
Offers readers a captivating look into the race between the United States and Soviet Union for space dominance. Learn about the many missions into space and humankind's first journey to the moon. Additional features include a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, resources for further study, and an index.