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How did electrons in the high atmosphere and space around the Earth come to acquire their speeds and energies? This intriguing question lies at the heart of understanding how high-energy electrons create the spectacular displays of the ^IAurora Borealis and ^IAurora Australis. Electron Acceleration in the Aurora and Beyond explores the mysteries of these phenomena and others involving the acceleration of electrons in the magnetosphere, in the solar wind, at the Sun and in the Cosmos. This book presents a new approach to understanding this fascinating subject by treating the acceleration medium as a plasma. Using this new insight we can see that electron acceleration may well be caused by wav...
Ready to take the triangle challenge? Choose from 70 pieced modern triangle blocks and 11 exquisite quilts that wow! Fourth-generation quilter Rebecca Bryan is back—this time with beautiful 3-sided blocks sewn from pieced stripes, chevrons, curves, and more. A dedicated graphic design chapter will help you choose a winning color palette, play up unexpected elements, and achieve balance and symmetry. Grab your favorite ruler and the full-size block templates to create equilateral, isosceles, and right triangles with ease. With no tricky seams, these sampler blocks are perfect to mix and match.
Introducing a thrilling deep-space science fiction mystery series in the tradition of James S.A. Corey’s The Expanse When a geneticist goes missing aboard a generation ship, it’s up to sports star Bryan Benson to solve the mystery before landfall. Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation spaceship, affectionately named the Ark. Bryan Benson is the Ark’s greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can’t be beat. But when a crew member goes missing, Benson is thrust into the center of an ever-expanding web of deception, secrets, and violence that overturns everything he knows about living on the Ark and threatens everyone aboard. As the last remnants of humanity hurtle towards their salvation, Benson finds himself in a desperate race to unravel the conspiracy before a madman turns mankind’s home into its tomb.
Together with a list of auxiliary and cooperating societies, their officers, and other data.
Reprint of the original, first published in 1866.