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\item \href{https://www.authorea.com/10997}{Habitable Planets} How many habitable planets exist in the Universe?  \item \href{https://www.authorea.com/11048}{The Drake Equation} How to estimate the number of technological civilizations in our Galaxy?  \item \href{https://www.authorea.com/24715}{Astrobiology} Is biological life common in the Universe?  \item \href{https://www.authorea.com/25815}{The Fermi Paradox} Is intelligent life common in the Universe? Does And if yes, does  it last? \end{enumerate}  The reasoning I follow leads to some radical implications for the\textbf{ very near future of humankind}.   Read till the end and feel free to comment as you go. Hopefully this will spark interesting discussions.