Sab kichhur shuru ekta equation diye.

ei gyanRaakol er equation taar naam Drake equation. Frank Drake name ek bhodrolok 1960 te ei equation ta baajar e aanen.

Uni ei equation taar modhye diye bolte cheyechhen, maanush er sange anya groher buddhimaan praaneer jogajog howaar sambhabonaa kototaa.

R* holo ei galaxy te star formation er average rate.

fp holo sei star der planet thaakar probability

ne holo sei planet gulor modhye life sustaining planet er probability

fl hochchhe sei planet gulor modhye life gojaanor probability

fi holo sei life er intelligent hoye othaar probability

fc hochchhe intelligent life gulor space technology toirir probability

L holo tader taader maanush er pathano signal decode koraar moton capability.

Ureshshaala! E to maairi haathe haariken abosthaa… ei rate egole ek kothaay bole dilei hoy prithibe chhaaRa aar kothaao praan nei!

Er por aachhe Fermi Paradox. Enrico Fermi’r bola sei katha, “where are they?”

Ekdin bondhuder sange alien niye jakhan aalochona hochchhilo, Nobel joyee physicist Enrico Fermi proshno korechhilen, “where are they?” bolte cheyechhilen, jodi eto buddhimaan alien thekei thaakbe, taara kothaay? Aamader sange jogaajog kore naa keno?

Anekei ei equation aar paradox diye promaan kore dite cheyechhen se satyi-I prithibee chhaaRa aar kothaao praan nei. Ei sab SETI (Search for Extra-Terrestrial Intelligence) aasole poysaa borbaad chhaaRa aar kichhu noy.

Kintu jodi boli, goRaa tei golod?

Naah, aaj aar kichhu likhte ichchhe korchhe naa. Paathok ra, Drake equation ta bhaalo kore dyakho.

E niye pordin bistaarito aalochona korbo.

Ke jeno bolechhilo, “Primitive life is abundant, intelligent life is rare. So rare, it is not even found on earth.”

alien

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