Question: Who wrote the first 12 chapters of the Siddhanta Shiromani?
Sentence: According to Sarma (2008): "One finds in the Rigveda intelligent speculations about the genesis of the universe from nonexistence, the configuration of the universe, the spherical self-supporting earth, and the year of 360 days divided into 12 equal parts of 30 days each with a periodical intercalary month.".
Answer in sentence: no