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These reports, at the forefront of relativity theory when they were written, in particular the geometrical aspects of spacetime theory, were the result of the Alfred Schild Memorial Lecture Series presented at the University of Texas at Austin beginning in 1977. Each article is a self-contained summary of an important area of contemporary gravitational physics, while the book as a whole provides an overview of a wide variety of the problems of general relativity and gravitation.

An hourly guide that tracks twenty-four stars, stellar clusters, and constellations across the sky to reveal their luminous lives and lore.

Over the course of a day, the constellations slowly shift, rising in the east and setting in the west, due to Earth’s rotation. A full turn of the celestial sphere, that bowl above us where the stars seemingly appear fixed to the surface, is completed once every twenty-four hours. In fact, the stars inspired the twenty-four-hour day, and one star, our Sun, rules the circadian rhythms of all life on our planet. This short book sweeps through the celestial sphere hour by hour, introducing a remarkable cast of stellar characters with each chapter. Celebrated science writer Marcia Bartusiak and mathematician Stephen Lowe blend practical astronomy with fascinating history to share unique cosmological stories.  

This husband and wife team explain that observers have long split the sky into twenty-four hours of right ascension—a celestial equivalent of longitude and a universal scheme for locating cosmological objects. Each chapter of Star Day presents a single right ascension hour, from the stellar death of S Andromedae (zeroth hour)—an explosion that helped reveal the size of the universe—to Scheat (twenty-third hour), an aging red giant. Twice the mass of the Sun and some 1,500 times as bright, Scheat sometimes guides amateur astronomers to distant galaxies. In between, we learn about humans’ pole star, Polaris (second hour), and meet the supermassive black hole at the center of our Milky Way galaxy (seventeenth hour). By the end of our star day, we will appreciate both our own stellar origins and the fragile and deep connections between human civilizations and the ever-changing heavens. Star Day reminds us that wonder and discovery are easily available, all for the simple price of looking up.

For each chapter, artist Matthew Green has depicted these stellar scenes with entrancing pen-and-ink drawings. Working together to narrate and illustrate these stars' stories, Bartusiak, Lowe, and Green have created an engaging read that is a perfect way to spend an hour or two—and a true gift to both seasoned skywatchers and curious beginners. 

In Strung Together: The Cultural Currency of String Theory as a Scientific Imaginary, Sean Miller examines the cultural currency of string theory, both as part of scientific discourse and beyond it. He demonstrates that the imaginative component of string theory is both integral and indispensable to it as a scientific discourse. While mathematical arguments provide precise prompts for physical intervention in the world, the imaginary that supplements mathematical argument within string theory technical discourse allows theorists to imagine themselves interacting with the cosmos as an abstract space in such a way that strings and branes as phenomena become substantiated and legitimized. And it is precisely this sort of imaginary—which Miller calls a scientific imaginary—duly substantiated and acculturated, that survives the move from string theory technical discourse to popularizations and ultimately to popular and literary discourses. In effect, a string theory imaginary legitimizes the science itself and helps to facilitate a virtual domestication of a cosmos that was heretofore remote, alien, and incomprehensible.