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Free Download Richard Schmude Jr., "Uranus, Neptune, and Pluto and How to Observe Them"
English | 2008 | pages: 233 | ISBN: 0387766014 | PDF | 6,5 mb
This book is for two groups of people: those who want to study the remote planets with amateur astronomical equipment, and those who are just...
Free Download Richard Schmude Jr., "Uranus, Neptune, and Pluto and How to Observe Them"
English | 2008 | pages: 233 | ISBN: 0387766014 | PDF | 6,5 mb
This book is for two groups of people: those who want to study the remote planets with amateur astronomical equipment, and those who are just...
Free Download Robert Lunsford, "Meteors and How to Observe Them"
English | 2008 | pages: 198 | ISBN: 0387094601, 038709461X | PDF | 9,2 mb
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...
Free Download Peter Grego, "Mars and How to Observe It"
English | 2012 | pages: 250 | ISBN: 1461423015 | PDF | 11,9 mb
Mars, popularly known as the Red Planet because of its distinct color, is visible with the naked eye and is one of very few planets in the Solar System in which it is possible...