Exoplanets
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Exoplanets

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Description

The past few years have seen an incredible explosion in our knowledge of the universe. Since its 2009 launch, the Kepler satellite has discovered more than two thousand exoplanets, or planets outside our solar system. More exoplanets are being discovered all the time, and even more remarkable than the sheer number of exoplanets is their variety. In Exoplanets, astronomer Michael Summers and physicist James Trefil explore these remarkable recent discoveries: planets revolving around pulsars, planets made of diamond, planets that are mostly water, and numerous rogue planets wandering through the emptiness of space. This captivating book reveals the latest discoveries and argues that the incredible richness and complexity we are finding necessitates a change in our questions and mental paradigms. In short, we have to change how we think about the universe and our place in it, because it is stranger and more interesting than we could have imagined.show more

Product details

  • Hardback | 224 pages
  • 161 x 236 x 23mm | 494g
  • Smithsonian Books
  • Smithsonian Institution Scholarly Press
  • Washington, United States
  • English
  • 30 COLOR ILLUSTRATIONS
  • 1588345947
  • 9781588345943
  • 277,325

Review quote

BOOKLIST, Starred ReviewThe existence of planets outside Earth's solar system was long assumed, and recent technologies, including improved telescopes and research satellites, have not only confirmed their existence but revealed all kinds of surprises. The first verified exoplanet, for instance, was orbiting -the wrong kind of star, - a pulsar, or what was left after a supernova that was supposed to blast to smithereens anything even close to resembling a planet. Meanwhile, the statuses of solar system objects besides the recognized planets were changing as water, indispensable for Earth-like life, was detected as superficial ice and subsurface oceans on some moons of Jupiter, Saturn, and Neptune as well as on big bodies in the Kuiper Belt, such as thedemoted planet Pluto, which thereby regained its title. Astonishment continued as huge, rocky -Super Earths, - inexplicably light planets, pure-carbon diamond planets, planets circling more than one star, starhugging hot planets, and rogue planets unconnected to stars were detected. These revelations, how they were made, imaginative voyages to five un-Earthly types of planet, and their implications for life and intelligence elsewhere than on Earth are concisely illuminated by astrophysicists Summers and Trefil in this marvelously fascinating and wonderfully accessible illustrated book. -- Ray Olson PUBLISHERS WEEKLYReaders tour several bizarre worlds in this slim read, as Summers and Trefil, professors of physics at George Mason University, show how -defining a 'planet' has been made significantly more difficult- in the exoplanet age. Astronomical investigations outside our celestial backyard are ripe with paradigm shifts because scientists suffered -the curse of the single example- our solar system and carbon-based life. Detailed photos and illustrations aid -visits- to unusual worlds, including 55 Cancri e, where volcanoes spew liquid diamond; Kepler 186f, with its vast lagoons and black flora that absorb -what energy they can from the faint sun-; and a rogue planet wandering dark space, where any life -must see in the infrared- and be warmed by the planet's core. The authors temper runaway imaginations with scientific uncertainties about each location, and they reexamine the Drake equation--used in the search for extraterrestrial life--in light of our current understanding of exosystem frequency and dynamics. Summers and Trefil write confidently and straightforwardly for lay readers, who will long ponder what planets circle other suns and the peculiar possibilities of life beyond our blue marble. Illus.show more

About Michael Summers

MICHAEL SUMMERS is a planetary scientist and professor of physics and astronomy at George Mason University. Since 1989, he has served on the mission teams of several NASA space probes in the role of science planning and interpretation of spacecraft observations. He is currently a coinvestigator on the NASA New Horizons mission to the Pluto-Charon double planet, where he serves as the deputy lead of the Atmospheres Theme Team. JAMES TREFIL is Clarence J. Robinson Professor of Physics at George Mason University. He has written more than 50 books on science for a general audience. His writing has won the American Institute of Physics Science Writing Award, the American Association for the Advancement of Science Westinghouse Science Journalism Award, and other honors.show more

Rating details

130 ratings
3.82 out of 5 stars
5 22% (29)
4 42% (54)
3 32% (42)
2 4% (5)
1 0% (0)
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