He walked on the Moon. He flew six space missions in three different programs--more than any other human. He served with NASA for more than four decades. His peers called him the ""astronaut's astronaut."" Enthusiasts of space exploration have long waited for John Young to tell the story of his two Gemini flights, his two Apollo missions, the ......
How is a galaxy billions of lightyears away connected to us? Is our home nothing more than a tiny speck of blue in an ocean of night? In this exciting tour of a universe far larger than we can imagine, cosmologist Paul M. Sutter emphasizes how amazing it is that we are part of such a huge, complex, and mysterious place. Through metaphors and ......
The Ptolemaic system of the universe, with the earth at the centre, had held sway since antiquity as authoritative in philosophy, science, and church teaching. Following his observations of the heavenly bodies, Nicolaus Copernicus (1473-1543) abandoned the geocentric system for a heliocentric model, with the sun at the centre.
An astrophysicist presents an in-depth yet accessible tour of the universe for lay readers, while conveying the excitement of astronomy.How is a galaxy billions of lightyears away connected to us? Is our home nothing more than a tiny speck of blue in an ocean of night? In this exciting tour of a universe far larger than we can imagine, cosmologist ......
How the Revolution in Spaceflight Opens Up a Future of Limitless Possibility
A noted space expert explains the current revolution in spaceflight, where it leads, and why we need it. A new space race has begun. But the rivals in this case are not superpowers but competing entrepreneurs. These daring pioneers are creating a revolution in spaceflight that promises to transform the near future. Astronautical engineer Robert ......
German mathematician Johannes Kepler (1571-1630), revolutionised the Copernican heliocentric theory of the universe with his three laws of motion: that planets move not in circular but elliptical orbits, that their speed is greatest when nearest the sun, and that the sun and planets form an integrated system. This title contains two of his works.
A biography that examines Carl Sagan's steady growth as a man, as a scientist, and as a scientist and as a communicator - a man who had both odd quirks and great charisma, who had an immensely eclectic knowledge base and a unique understanding of the central place of science in the human experience.
A guided journey through the inner workings of Earth, the cloaked mysteries of other planets in our solar system, and beyond. Extreme heat. Extreme cold. Extreme pressure. Toxic gases. Scorching magma flows, and ice volcanoes. Interior tides. Asteroids filled with gold. In What's Hidden Inside Planets? planetary scientist Dr. Sabine Stanley ......
