Knowledge: An Illustrated Magazine of Science, Том 5

angle appear become Black body called cause close Club colour Column communications consider considerable continued corresponding course described direction doubt earth effect equal evidence existence experience fact force four give given hand hour idea illustration important increase interesting kind KNOWLEDGE known lead less letter light living London look machine March marked Mars matter means miles move nature never noticed object observed obtained occur once original passing period persons planet play position possible present probably Proctor produced question readers reason referred regard remains remarkable respecting result round Satellite seems seen side space stars suggested suppose taken takes theory things tion triangle turn White whole