Free Ebook Goldilocks and the Water Bears: The Search for Life in the Universe
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Goldilocks and the Water Bears: The Search for Life in the Universe
Free Ebook Goldilocks and the Water Bears: The Search for Life in the Universe
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Audible Audiobook
Listening Length: 10 hours and 14 minutes
Program Type: Audiobook
Version: Unabridged
Publisher: Audible Studios for Bloomsbury
Audible.com Release Date: June 16, 2016
Whispersync for Voice: Ready
Language: English, English
ASIN: B01F7QYNLI
Amazon Best Sellers Rank:
With a minor in Astronomy, I was delighted to be offered an advance copy of this book. Preston takes a detailed look at the topic, taking a broad view, from how life developed on Earth, what life may or may not require, the possibilities for life in our solar system or beyond, and the possibility of humankind traveling farther than the moon.This is not look at just the recent findings. Preston offers a solid background of the information needed to truly understand the topic. I would say that the book is at an undergraduate level – far more detailed and thorough than a journalist report, yet not a deep scientific exploration of only one facet of the topic.Here’s a listing of the subheading in each chapter, to give you a better idea of what topics the book looks at:CH 1: A Brave New World – An astrobiologist is born…; The science of aliens; Star-crossed lovers; 42; Seeking out new life and new civilizations; I see you; Rock, paper, scissors, lizard, Spock; The first astrobiologists; Birth of the alien; Civilizations on Mars; The future of astrobiologyCH 2: Life As We Know It – So what is life?; Carbon, carbon everywhere!; The units of life; Food for thought; Molecules of life; Is carbon really the only option?; Living is thirsty work; It came from outer space…or did it?; A unique liquid; What if there were no water?CH 3: How to Create a Planet Fit for Life – A cosmic kitchen; Star light, star bright; The gauntlet of galaxies; A galactic Goldilocks zone; More than just chocolate; A solar family; The heart and soul; The rocky worlds; The gassy worlds; Building a home in the Goldilocks zone; A family affair; From the inside out; Earth’s recycling plant; Lucky quirksCH 4: The Story of Life – Hell on Earth; It’s raining rocks; We are aliens; From soup to cells; How? Where?; Chemistry becomes biology; When?; Harnessing the power of sunlight; The giant oxygen predicament; Snowball Earths; An explosion of life; Out of the sea and onto the land; The stressors of lifeCH 5: Alien Worlds on Our Doorstep – A home away from home; Alien environments all over the place; Extreme living; A home fit for a Martian; Floating above Venus; The Jovian moons; The oceans of Europa; The fountains of Enceladus; The lakes of Titan; The signatures of life; Exploring the extremesCH 6: Everything is Relative! – Extreme-lovers; The relativity of extremity; The extremes; Temperature; pH; Water availability and salinity; Radiation; Pressure; Oxygen; Nature’s superheroes – the water bears; Extremophiles from space?CH 7: Searching the Solar System – Messenger to the gods; Goddess of love and beauty – if you say so…; The god of war; Viking; MAVEN; Roving on Mars – Sojourner; Spirit and Opportunity; Phoenix; Curiosity; ExoMars; Mars 2020; When on Mars…; King of the planets; Lord of the rings; Gods of the sky and sea; The underdog; CometsCH 8: Extraterrestrial Worlds: Life Not As We Know It – Alien world; Planet hunters; Habitable worlds; Searching for super-Earths; Revealing red dwarfs; Exploring exomoons; A pale blue dot; Designer life; The degrees of ‘alienness’…; The predictability of evolution; A body and brain; The face of life; Skin and bones; A flight of fancy; Lighting up life; An alien greenhouseCH 9: Is The Truth Really Out There? – The search for answers; The oddity of ET; Conversations with my cat; Cosmic conundrums and Fermi’s paradox; Barriers to life; The search begins…; Project Ozma; Prime numbers and laser pulses; The power of civilization; Cosmic sightseeing; Hello?; What happens if we find it? What happens if we don’t?CH 10: The Next Generation – Why and where should we go?; Mercury; Venus; The asteroid belt; Europa; Enceladus and Titan; Uranus and Neptune; Pluto; Living in space; A space oddity; Fly me to the moon; A mission to Mars; TerraformingEpilogueI was most delighted with this playful and wide-ranging romp through the topic of extraterrestrial life and an now following Louisa Preston on Amazon so I can get her next book.
Not terrible but not particularly good. If this is a subject that has interested you for awhile, you are probably familiar with 90% of it. If you're new to this concept, your learn some stuff but you will also be bored by its repetitiveness. I was greatly disappointed in the section dealing with "water bears," aka tardigrades. These are amazing animals with so many features that uniquely qualify them as interplanetary travelers. She touches on them, but not in depth.The author claims that she is trying not to be Earth-centric, to have an open mind as to what alien life might look like but I would say she fails in this. Her treatment of aquatic life is very dismissive, as is her treatment of plant life (or non-animal life to be more general). She makes assumptions about what alien intelligent life must look like without examining all of the forms that possibly intelligent life takes on Earth. For example, hands and opposing thumbs are NOT necessary as seen by animals as diverse as cephalopods and elephants.In general, the book can teach you some things but it will not expand your mind.
Mrs Preston has a lot to say and is very insightful in her discussions. You finish the book much wiser than when you started - recommended.
Good read.Well worth the cost for the information and opinions
Given as gift.
Earth has a unique spot in the solar system; it is just at the right distance from the Sun so that water stays in liquid form so that life could be born and evolve. A protective shielding of the atmosphere from harmful ionizing radiation from the parent star would be essential for sustained evolution. The planet must also have a stable atmosphere for life. The habitable worlds could be rocky planets or rocky moons as we have been learning from recent discoveries that Europa and Ganymede, two Jovian moons, and Enceladus, moon of Saturn have oceans of water beneath then surface and likely to have some primitive form of marine species. Plume of ice particles and liquid water are detected from Europa and Enceladus. NASA hopes catch the water from hundreds of miles long geysers and look for marine species.Author Luisa Preston systematically explores various aspects of habitable worlds including the origin of life; the planets that can support and sustain life; looking for habitable worlds beyond solar system and how we can colonize Mars. Developments in technology, advanced telescopes, and new methods to identify and evaluate the habitable worlds have made significant strides in astrobiology. A number of habitable worlds have been reported since this book has been written.A brief discussion of the current state of discoveries of exoplanets is as follows: It is progressively becoming evident that we have to treat life as a cosmic phenomenon whose emergence and driving forces should be viewed independently from the natural history of Earth. We are learning that life may be born and thrive in the harshest environments such as severe droughts, in presence of toxic compounds, extreme cold temperatures and even certain amount of ionizing radiation from the harshest environments. It has already been detected and identified as Tardigrades (water bears) on earth. They are microscopic animals that survive exposure to space and survives over sub-zero temperatures, unrelenting solar winds and an oxygen-deprived space vacuum.Planets come in a huge variety of sizes and orbits. Some are gas giants hugging close to their parent star; others are icy, some rocky. NASA and other agencies are looking for a special kind of planet: one that’s the same size as Earth, orbiting a sun-like star in the habitable zone. As of now, according to NASA, there are 3394 confirmed exoplanets; 1250 are ice giants; 1006 gas giants; 777 super earths: 348 terrestrial and 13 exoplanets are of unknown nature. Among these, the most earth like planets are; Kepler 181f (1.11 times Earth radius); Kepler 442b (1.34 times Earth); Kepler 438b (1.1 times Earth); Kepler 62f (1.41 times Earth); GJ 66.7C c (1.5 times Earth) and Wolf 1061c (1.64 times Earth). In August 2016 a planet orbiting Proxima Centauri known as Proxima b, (1.3 times earth) was discovered. It is a rocky world, residing in the star's habitable zone, just 4.7 million miles from its host star (Earth is 93 million miles from Sun), and completes one orbit every 11.2 Earth-days. The exoplanet is tidally locked, which means it does not spin on its own axis like Earth. Moon is also tidally locked to Earth and shows only one face to Earth.Mars exploration by three NASA rovers have yielded a wealth of information; Life forms existed on Mars billions of years ago. But when the planet lost its magnetic field, it had nothing to block the solar wind, which slowly bled off the planet's atmosphere. This complicated the evolution of a biosphere. The ionizing radiation broke up organic molecules. If life was on Mars in the past, when the planet was wetter with a thicker atmosphere. Then organisms could have gotten a foothold, life could have then adapted to a higher-radiation environment over time and retreated deeper underground for protection.Another star that is currently drawing enormous interest in the news is the "Tabby's Star," also known as KIC 8462852 found by the NASA's planet-hunting Kepler space telescope. This shows dramatic dips in brightness, this brightness change has been attributed to orbiting comets around the star or alien mega structure built by an advanced civilization.
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