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Tuesday, 26 May 2015

How much possibility of Civilized Extra Terrestrial life in other Exo planets in R R Ddaniel's Book' book concept of space science and by author Max jammer

How much possibility of Civilized Extra Terrestrial life in other Exo planets?
Authors_:
*Professor Pranab kumar Bhattacharya- MD(cal) FIC Path(Ind), Professor & Head of Department of Pathology
, Calcutta school of Tropical Medicine; C.R Avenue Kolkata-73; West Bengal, India, * Miss Upasana Bhattacharya- Student, Mahamayatala, Garia, kol-86,daughter of Prof. PK Bhattacharya ** Mr. Rupak Bhattacharya-Bsc(cal), Msc(JU), **Mr.Ritwik Bhattacharya B.com(cal),** Miss Rupsa Bhattacharya , **Mr. Soumyak Bhattacharya BHM of residence 7/51 Purbapalli, Sodepur, Dist 24 Parganas(north) ,Kolkata-110,WestBengal, India *** Mrs. Dalia Mukherjee BA (hons) Cal, ***Miss Aindrila Mukherjee- Student, Mr Debasis Mukherjee BSC(cal) of Swamiji Road, South Habra, 24 Parganas(north), West Bengal, India, Dr. Tarun Biswas MBBS(cal) Demonstrator,Pathology, IPGME&R, Kolkata-20, Dr. Hriday Ranjan Das MD(cal), DTM&H(cal), Dept of Nephrology, IPGME&R, 244a AJC Bose Road
Alien life forms are generally regarded as the stuff of science fiction and fantasy and subject for/ from the movies by several times Oscar winner Hollywood director Steven Spielberg. But both SETI [While philosophers and biologists may debate the meaning of the term 'intelligence', for the purposes of the SETI project intelligence simply means the ability to build large radio telescopes and transmitter of high-powered radio signals or intense laser beams] and NASA's Exobiology Program, which seeks to understand the origin, evolution and distribution of life in the Universe, researchers are about to begin the SETI Microwave Observing Project. radio telescopes around the world which will search for signals produced by other intelligences. There are of course two schools of thoughts about intelligent life out there in the Galaxy, It is argued that life on the planet Earth, and especially intelligent life, is the result of an incredibly unlikely set of circumstances; and there is no intelligent life anywhere else in our Milky Way Galaxy, perhaps none in the entire Universe. But according to the opposing school argument, there are so many stars and planets in the Galaxy that, provided there is even a small chance of intelligence developing on any one planet it must have happened many times on many different planets. Nobody seems to take the middle view, that life is restricted to just a few planets in our Galaxy; either it exists solely on Earth, or there are many inhabited planets. If the SETI project detects just one signal, the implication will be that we are not alone, and that evolutionary biology is an inherent characteristic of certain locations in the Universe - planets like Earth.[1]
What are the requirements for development of life [simple, complex or intelligent] in universe especially in our galaxy Milky Way star’s planets? First of all, let us authors, to compose a list of possible astronomy related requirements for development of life on the planet Earth or if evolved in other worlds of our galaxy the Milky Way
2nd generation stars with heavy elements
* Large planetary family to absorb debris
* Iron core to generate magnetosphere
* Planet massive enough to retain its atmosphere
* Collision with planetoids to create voids in tectonic plates and large moon. [Please see LINK
(http://www.spacedaily.com/news/life-01x1.html)]
Spectral type stars: G, late F, early K, a late F or early K type star are also candidates for having life-bearing planets
Stable intensity of star
* Large moon to stabilize rotation because without large moon the rotational axis of the planet will be unstable
* Plate tectonic activity
* Water[ocean] by cometary’s seeding
* Recent nearby nova to clear out interstellar dust
please see LINK
(http://cse.ssl.berkeley.edu/chips_epo/science.html)
* Time between large impactors for life
* Main sequence star 


please see LINK
http://homepage.sunrise.ch/homepage/schatzer/Alpha-Centauri.html)
* Adequate age for life to evolve
* Orbit within ' the habitable zone
 
PLease  See links for RR Daniel  books  Concept of Space- as review  in Google book 
https://books.google.co.in/books/about/Concepts_in_Space_Science.html?id=WYCltc12Gs8C&hl=en
https://books.google.co.in/books?id=WYCltc12Gs8C&sitesec=reviews
 concept of space by author  Max Jammer  PDF  as his  reference in E book in page -3