Cudnik

Faint Objects and How to Observe Them is for visual observers who are equipped with a 10-inch or larger astronomical telescope and who want to "go deep" with their observing. It provides a guide to some of the most distant, dim, and rarely observed objects in the sky, supported by background information on surveys and objects lists - some famili...

The face of the Moon we see today has been substantially etched by the effects of meteor impacts. Craters on the Moon are the result of ancient impacts with large meteorites - or small asteroid-like bodies - which produced both primary craters (where the meteorites hit) and secondary craters (where material hurled high above the surface crashed ...