Robert Lunsford has had forty years experience viewing meteors and meteor showers, and is a memberv of the American Meteor Society (AMS) and the International Meteor Organization (IMO).
1 द्वारा ईबुक Robert Lunsford
Robert Lunsford: Meteors and How to Observe Them
In this era of high-tech instruments, meteor observing is the one facet of astr- omy that needs nothing more than your naked eye. Meteors can be easily seen without the aid of cameras, binoculars, or …
PDF
अंग्रेज़ी
€42.79
