Inside the #CarinaNebula: Cropped from original 465 mb tif image. A towering “mountain” of cold hydrogen gas laced with dust is the site of new star formation in the Carina Nebula (NGC 3372). The great gas pillar is being eroded by the ultraviolet ra
Calcite with quartz from Huanggang Mine, Inner Mongolia, China. The pictured specimen is 7cm tall. The quartz at the center of the stacked calcite disks is better exposed in some of the specimens that they have at the show. Photo credit: Jeffrey A. S