48 Photos - Aug 11, 2016
Photo: Photo: Photo: Photo: An illustration showing the stratification of Earth's atmosphere: troposphere, stratosphere, mesosphere, and thermosphere.Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: This image shows the eight planets and the four dwarf planets named so far: Pluto, Makemake, Eris, and Ceres. Note that the orbits in this image are not to scale.Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: