Astronomy May 2020

Buy More, Save More: 2 Back Issues – Save 5% (use code: MAGAZINES5) 3-4 Back Issues – Save 10% (use code: MAGAZINES10) 5+ Back Issues – Save 15% (use code: MAGAZINES15) In the May issue, learn why some astronomers are still questioning the Big Bang and how V.M. Slipher discovered the expanding universe. Also, observe edge-on and face-on galaxies, and learn more about backyard astronomy with Bob Berman.Features Cosmic Mystery: Why the Big Band is still stumping astronomersSpace Clouds: Take a 3D look inside nebulaeExplore edge-on and face-on galaxiesHow V.M. Slipher discovered the expanding universeBob Berman on backyard astronomyCharting the 19th-century heavensWe test Canon's new astrocamera