History of Indian astronomy has been stretched long from pre-historic times to modern time. Its evidences can be found in the dates of the period of Indus valley civilization(1500-500 BCE). Later on it significantly influenced European, Chinese and Islamic astronomy.
Lunar Mansion in Vedas - In Vedas, 'Constellations', also known as naksatras, are discussed. During the Vedic period, many astronomers observed the movements of Sun, stars and moon and also the various phases of moon.
Stars and Planets in Vedas - From the Vedic verses, it is clear that the people during Vedic time period were well aware of the other celestial bodies and they could even identify the planets in night sky.