When was the Mahabharata composed and how long did it take to compose it?

The Mahabharata was composed about 18 years after the war and it took Dwaipayana Vyasa about 3 years to compose it. Adi parva (GP 1: ~94-98, CE 1:52-59) तपसा ब्रह्मचर्येण व्यस्य वेदं सनातनम् | इतिहासमिमं चक्रे पुण्यं सत्यवतीसुतः ||५२|| पराशरात्मजो विद्वान्ब्रह्मर्षिः संशितव्रतः | मातुर्नियोगाद्धर्मात्मा गाङ्गेयस्य च धीमतः ||५३|| क्षेत्रे विचित्रवीर्यस्य कृष्णद्वैपायनः पुरा | त्रीनग्नीनिव कौरव्याञ्जनयामास…

Astronomy Lynchpins: Ramayana & Mahabharata

A researcher asked…. This question is for Nilesh Oak. There is a bit of a preamble to the question. The Ashokan inscriptions are dated via the mention of four rulers – Ptolemy, Alexander, Antigonus and Magas. I’m no expert on dynasties, but the situation seems to me to be the following: If the Ashokan inscriptions…

Decoding secrets of ‘Archaeo-Astronomy’ research

A researcher wrote, critiquing and (slightly) objecting to my methodology…. Most astronomical phenomena of the type in the MBh and Ramayana is recurrent. Now, had unique events like novae or supernovae been recorded, that would be a different matter. So, as a first approximation, one obtains the LCM (least common multiple) of all the recurrence…