Journey through AstronomyVol3

Naked eye astronomy:Naked-eye astronomy is the observation of celestial objects using only the unaided human eye.It  doesn't require instruments ,used from ancient times. ...

BDyumani krishnaHello guys I am B.Dyumani Krishna from grade 9th studying in space central school and I want to be an astronomer and I want to help those who also want to become so iam writing these books.More books will come in the future. So pls stay tuned .