There are as many sahasranamaas, as there are "Gita"s. When we say "sahasranama", it implies "Vishnu Sahasranama". Similarly, when we say "Gita", it implies "Bhagawad Gita", that which is spoken by Sri Krishna Himself. Srimad Bhagawad Gita has taken the prominence for many reasons: It was spoken by the Lord Sri Krishna Himself in the epic battle of Mahabharata, which in itself is popular People can easily relate themselves with the situation that Arjuna was in It covers every aspect of our lives, more comprehensive than other Gitas, and also shorter than many The poetic rhythm is much easier to follow, memorize and remember There are many other reasons. However, the biggest reason why the Bhagawad Gita from Mahabharata has become more popular than the other Gitas is that it has become part of the "prasthAnatrayis" of the aacharyas. It has taken the "sacred" status. Even Shri Shankara says "gEyam Gita, nAma sah
surya has a special place in sanAtana dharma. People translate sUrya as "sun", which is the partial truth because sUrya is much more than just a ball of fire. sUrya is our "pratyaksha dEvata". He represents light, energy, cosmic order (सूर्य एव ग्रहाणां गतिः | सूर्यस्य गुरुत्वाकर्षणम् ग्रहाणां चक्रव्यूहेन कार्यं करोति ), knowledge (gAyatri mantra), enlightenment (gAyatri mantra), life and life giving force, vitality, wisdom etc. He is the source of all life and energy on this planet. It is because of sUrya that kAla or time exists (kAlaḥ sUryaḥ prabhAkarah). It is due to sUrya that bhoomi has aakarshaNa shakti, the gravitational force (सूर्य एवं गुरुत्वाकर्षण). He is the primary deity among the 9 celestial objects (the navagrahas) that have direct influence on us. Through the day, surya is offered "arghya" - prAtaH sandhya, madhyAnika sandhya, and sAyam sandhya. "sandhya" is the intersection - first intersection is that of the night with day, s