Meteors ( ulkā ) are appearances of those who, having enjoyed in the higher worlds the effects of their puṇya karma (good deeds), fall down to the Earth. These meteors are of five sorts known technichally as—1. Dhiṣṇya , 2. Ulkā, 3. Aśani (thunderbolt), 4. Vidyut (lightning), 5. Tārā (stars).