DSpace Collection: http://egyankosh.ac.in//handle/123456789/29415 2026-05-14T07:56:07Z Unit-4 Physical Principles http://egyankosh.ac.in//handle/123456789/19457 Title: Unit-4 Physical Principles 2017-01-01T00:00:00Z Unit-3 Astronomical Techniques http://egyankosh.ac.in//handle/123456789/19454 Title: Unit-3 Astronomical Techniques 2017-01-01T00:00:00Z Unit-2 Basic Concept of Positional Astronomy http://egyankosh.ac.in//handle/123456789/19452 Title: Unit-2 Basic Concept of Positional Astronomy 2017-01-01T00:00:00Z Unit-1 Astronomical Scales http://egyankosh.ac.in//handle/123456789/19450 Title: Unit-1 Astronomical Scales 2017-01-01T00:00:00Z