Across
- 2. unit of distance equal to 7.2 km
- 4. estimated circumference of the earth
- 6. aryabhat's text of discoveries
- 9. alternate name of algebra
- 10. famous astronomical observatory in nalanda university
Down
- 1. concept of zero originated here
- 3. India's first satellite launched in 1975 nalanda university housed 9 million books
- 5. first reference to astronomy
- 7. referred to as zero by arabs
- 8. elementary particle of matter