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by Chandra Wickramasinghe,William Napier,Janaki Wickramasinghe

  • ISBN: 981256635X
  • Category: Other
  • Author: Chandra Wickramasinghe,William Napier,Janaki Wickramasinghe
  • Subcategory: Science & Mathematics
  • Other formats: mobi lrf mbr rtf
  • Language: English
  • Publisher: World Scientific Pub Co Inc (August 31, 2009)
  • Pages: 221 pages
  • FB2 size: 1788 kb
  • EPUB size: 1360 kb
  • Rating: 4.9
  • Votes: 384
Download Comets and the Origin of Life fb2

Chandra Wickramasinghe (born 20 January 1939) is a Sri Lankan-born British mathematician, astronomer .

Chandra Wickramasinghe (born 20 January 1939) is a Sri Lankan-born British mathematician, astronomer and astrobiologist of Sinhalese ethnicity. Chandra Wickramasinghe and Daisaku Ikeda, Space and Eternal Life, Journeyman Press, 1998, ISBN 1-85172-060-X.

A key element in the scheme, promoted by Chandra Wickramasinghe and the late Fred Hoyle, are comets, the bodies in which the desiccated bacteria of interstellar space are claimed to come to life before being ferried to planetary surfaces

A key element in the scheme, promoted by Chandra Wickramasinghe and the late Fred Hoyle, are comets, the bodies in which the desiccated bacteria of interstellar space are claimed to come to life before being ferried to planetary surfaces. The recent discovery of amino acids and clays in comets, which could have formed only if comets once had liquid-water interiors, bolsters the case for interstellar panspermia. Yet most scientists require more evidence

The origins of life bring into stark relief the inadequacy of our current synthesis of thermodynamic, chemical, physical and information theory to predict the conditions under which complex, living states of organic matter can arise.

Based on what they propose, NASA needs to be sending more life hunting probes to comets and asteroids.

The authors use generally accepted astronomical tools and techniques, verifiable information and recent findings, time tested astrophysical theory, and state-of-the-art modeling to support their thesis. If what they propose is born out by further evidence, a significant paradigm shift is in the making. Based on what they propose, NASA needs to be sending more life hunting probes to comets and asteroids.

The idea that comets may be connected with the origin of life on Earth was considered . Astrobiology, Comets And the Origin of Life. 981256635X (ISBN13: 9789812566355).

The idea that comets may be connected with the origin of life on Earth was considered heresy a few decades ago, with scientists shying away from this possibility as if from a medieval superstition. The present book sets out the case for cometary panspermia in a cogent way, combining evidence from space science, celestial mechanics, geology and microbiology.

Chandra Wickramasinghe, "Cosmic Dragons:Life and Death on Our Planet", ISBN 0 285 6360-6 5, Souvenir Press .

Chandra Wickramasinghe, "Cosmic Dragons:Life and Death on Our Planet", ISBN 0 285 6360-6 5, Souvenir Press, London, 2001. Cosmology Science Publishers (March 22, 2011). Buckingham Centre for Astrobiology (BCAB).

Wickramasinghe published the first definitive book on Interstellar Grains in 1967.

by Janaki Wickramasinghe and Chandra Wickramasinghe. Select Format: Hardcover. ISBN13:9789812566355.

Chandra Wickramasinghe. The idea that comets may be connected with the origin of life on Earth was considered heresy a few decades ago, with scientists shying away from this possibility as if from a medieval superstition. However the case that comets may have contributed at least the complex organic building blocks of life has become very strong, and mechanisms have now been identified whereby comets may incubate and transfer microbial life from one cosmic habitat to another in the Galaxy

Finding books BookSee BookSee - Download books for free. Chandra Wickramasinghe.

Finding books BookSee BookSee - Download books for free. Category: Биология, Биофизика. Chandra Wickramasinghe, Kamala Wickramasinghe. 9 Mb. Evolution from Space: A Theory of Cosmic Creationism. Sir Fred Hoyle, Chandra Wickramasinghe. 3 Mb.

The idea that comets may be connected with the origin of life on Earth was considered heresy a few decades ago, with scientists shying away from this possibility as if from a medieval superstition. However the case that comets may have contributed at least the complex organic building blocks of life has become very strong, and mechanisms have now been identified whereby comets may incubate and transfer microbial life from one cosmic habitat to another in the Galaxy. The latter process cometary panspermia was pioneered by the late Sir Fred Hoyle and one of the present authors in the early 1980's. A theory that was once controversial is slowly gaining scientific respectability and support.The recent surge of interest in astrobiology has led to a spate of books in astrobiology — combining astronomy and biology — but in most of these, cometary panspermia is dealt with only cursorily. The present book sets out the case for cometary panspermia in a cogent way, combining evidence from space science, celestial mechanics, geology and microbiology. It should be an essential part of any university course on astrobiology, and also serve as a reference textbook for researchers in the field.
Reviews about Comets and the Origin of Life (2):
Brol
I gave this book five stars because the authors make a powerful, well supported case for cometary panspermia. The authors use generally accepted astronomical tools and techniques, verifiable information and recent findings, time tested astrophysical theory, and state-of-the-art modeling to support their thesis. If what they propose is born out by further evidence, a significant paradigm shift is in the making. The material is fascinating, bold, and believable. If they are correct, life is everywhere in the universe and has been around well before our solar system emerged. Based on what they propose, NASA needs to be sending more life hunting probes to comets and asteroids. Some notable scientists have argued that we have already discovered fossil evidence of extraterrestrial microbes in meteorites, but skeptics want further evidence.

This book is not for everyone; a degree in astronomy would be very useful, although a highly motivated amateur astronomer or someone with technical training/degree could understand what is being proposed. Math through calculus I would also be valuable, but is not necessary.

The book could have been better supported if the authors would have presented more information about extremophiles--more about the different kinds of extremes in which they are known to thrive (PH extremes, depths (miles) in which they are found beneath the earth's crust and below the ocean bottom, anaerobic conditions, places they are found where sunlight cannot reach, extreme pressures, temperatures in which they have been found alive and well (300 degrees F), radiation extremes they can thrive in, etc.). NASA has a lot of info on this and there are many good books sold by Amazon on this subject.

Another area which would have benefitted their thesis involves the findings concerning the chemistry/biology of stardust; organic molecules (including PAH's, amino acids, alcohols, base pair chemistry, macromolecules, many more) that are being manufactured by stars in massive quantities and this has been going on for billions of years. More info on this subject would have enhanced the book. Kwok, in his book Stardust, presents an excellent discussion on this topic.

I intend to read this book again; there is a lot of good information presented-it needs to be studied, not just read. I highly recommend this book for anyone who has an interest in astrobiology or a related field.

Rich
Marilbine
This is an excellent survey - at the level of an undergraduate degree in Astronomy or Physics - of the mechanisms of panspermia and the role that comets play in spreading life - both within the solar system as well as within the galaxy.

In 200 pages, the authors cover what is known about comets, their orbits, their origins (in giant molecular clouds), their trajectories within and without the solar system, their composition and how they play a crucial role in spread of life within and without the solar system.

The presentation is clear and the mathematics is very minimal - at level of a first course on differential and integral calculus. While the main conclusions are outlined in a coherent, concise and succinct manner, the reader is referred to the original research papers or monographs for details. The references constitute 10 pages, in small-font, and cover both the experimental and theoretical work.

I highly recommend this small and stimulating work; one gains a lot of knowledge about the actual universe that we inhabit than in any text on Many Body Theory, String Theory, and all such "cutting-edge" areas of research.

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