The Ganitadhyaya and Goladhyaya of his work Siddhanta Shiromani are devoted to astronomy.<ref name=":3" /> It deals with distance of planets, solar eclipse, lunar eclipse, phases of moon etc. and other essential knowledge of ancient Indian astronomy. He also writes about space, movement of planets, phases and its calculation etc in this book.<ref name=":0" /> In fact, his book Siddhanta Shiromani surpassed all the ancient books of astronomy in India.<ref name=":3" /> | The Ganitadhyaya and Goladhyaya of his work Siddhanta Shiromani are devoted to astronomy.<ref name=":3" /> It deals with distance of planets, solar eclipse, lunar eclipse, phases of moon etc. and other essential knowledge of ancient Indian astronomy. He also writes about space, movement of planets, phases and its calculation etc in this book.<ref name=":0" /> In fact, his book Siddhanta Shiromani surpassed all the ancient books of astronomy in India.<ref name=":3" /> |