Chasing Hubble's Shadows is an account of the continuing efforts of astronomers to probe the outermost limits of the observable universe. The book derives its title from something the great American astronomer Edwin Hubble once wrote: "Eventually, we reach the dim boundary—the utmost limits of our telescopes. There, we measure shadows, and we search among ghostly errors of measurement for landmarks that are scarcely more substantial." The quest for Hubble's "shadows"—those unimaginably distant, wispy traces of stars and galaxies that formed within the first few hundred million years after the Big Bang—takes us back, in effect, to the beginning of time as we are able to perceive it, when the first discrete stellar objects appeared out of what has lately come to be known as the "cosmic dark age." The information that is being gleaned from these dim sources—chiefly with the aid of Hubble's namesake, the Hubble Space Telescope—promises to yield clues to many cosmic puzzles, including the nature of the mysterious "dark energy" that is now believed to pervade all of space.
In this sweeping tour of the cosmos and our place within it, acclaimed science writer Jeff Kanipe shows the many ways we are connected to the vast universe we inhabit. Long before our apelike ancestors dropped from the trees and began playing with fire, even before the Sun emerged from its chrysalis of dust and irradiated its brood of planets, numberless and nameless astronomical events affected Earth and its emerging life-forms. Our chemical makeup--from the iron in our blood to the calcium in our bones--derives from stars that lived and died hundreds of millions of years ago. Comets have showered organic molecules into our oceans, and asteroid impacts have wiped out predominant species that lived before. Tracing the whole natural history of how events in the near and far universe have influenced life on Earth today, and how they might influence life in the future, Kanipe, with unparalleled eloquence, explores a host of intriguing questions: - How the Earth's orbit and inclination have triggered past ice ages - The role ancient supernovae may have played in mass extinctions and genetic changes - How a slight but persistent dip in solar output contributed to a multicentury cooling event called the "Little Ice Age" - How ancient asteroid impacts pressed Earth's evolutionary reset button and how astronomers are striving to make sure that it won't happen again - The widespread effects that our Sun's changing galactic environment has on life and climate Kanipe also reflects upon the possible societal effects of alien contact, a type of cosmic intervention that some astronomers believe could happen within the next few decades. His elegant, jargon-free descriptions of the truly "big-picture view" of life on Earth will fascinate and inform everyone who has an interest in astronomy, the evolution of our planet, and the future of humankind.
Laki is Iceland’s largest volcano. Its eruption in 1783 is one of history’s great, untold natural disasters. Spewing out sun-blocking ash and then a poisonous fog for eight long months, the effects of the eruption lingered across the world for years. It caused the deaths of people as far away as the Nile and created catastrophic conditions throughout Europe.Island on Fire is the story not only of a single eruption but the people whose lives it changed, the dawn of modern volcanology, as well as the history—and potential—of other super-volcanoes like Laki around the world. And perhaps most pertinently, in the wake of the eruption of another Icelandic volcano, Eyjafjallajökull, which closed European air space in 2010, acclaimed science writers Witze and Kanipe look at what might transpire should Laki erupt again in our lifetime.
A high school football player was about to leave the next morning with his team to compete for the national championship. That’s when a dump truck loaded with gravel sped through an intersection, trapping the young man in his car for an hour and a half, leaving him in a coma for nearly two weeks, with his left side paralyzed. Even after recovering and then enjoying a very successful career for several decades, a portion of his brain suddenly needed to be partially removed.
Chasing Hubble's Shadows is an account of the continuing efforts of astronomers to probe the outermost limits of the observable universe. The book derives its title from something the great American astronomer Edwin Hubble once wrote: "Eventually, we reach the dim boundary—the utmost limits of our telescopes. There, we measure shadows, and we search among ghostly errors of measurement for landmarks that are scarcely more substantial." The quest for Hubble's "shadows"—those unimaginably distant, wispy traces of stars and galaxies that formed within the first few hundred million years after the Big Bang—takes us back, in effect, to the beginning of time as we are able to perceive it, when the first discrete stellar objects appeared out of what has lately come to be known as the "cosmic dark age." The information that is being gleaned from these dim sources—chiefly with the aid of Hubble's namesake, the Hubble Space Telescope—promises to yield clues to many cosmic puzzles, including the nature of the mysterious "dark energy" that is now believed to pervade all of space.
In this sweeping tour of the cosmos and our place within it, acclaimed science writer Jeff Kanipe shows the many ways we are connected to the vast universe we inhabit. Long before our apelike ancestors dropped from the trees and began playing with fire, even before the Sun emerged from its chrysalis of dust and irradiated its brood of planets, numberless and nameless astronomical events affected Earth and its emerging life-forms. Our chemical makeup--from the iron in our blood to the calcium in our bones--derives from stars that lived and died hundreds of millions of years ago. Comets have showered organic molecules into our oceans, and asteroid impacts have wiped out predominant species that lived before. Tracing the whole natural history of how events in the near and far universe have influenced life on Earth today, and how they might influence life in the future, Kanipe, with unparalleled eloquence, explores a host of intriguing questions: - How the Earth's orbit and inclination have triggered past ice ages - The role ancient supernovae may have played in mass extinctions and genetic changes - How a slight but persistent dip in solar output contributed to a multicentury cooling event called the "Little Ice Age" - How ancient asteroid impacts pressed Earth's evolutionary reset button and how astronomers are striving to make sure that it won't happen again - The widespread effects that our Sun's changing galactic environment has on life and climate Kanipe also reflects upon the possible societal effects of alien contact, a type of cosmic intervention that some astronomers believe could happen within the next few decades. His elegant, jargon-free descriptions of the truly "big-picture view" of life on Earth will fascinate and inform everyone who has an interest in astronomy, the evolution of our planet, and the future of humankind.
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