Mercury - the closest of all planets to the Sun. At first glance Mercury resembles nothing more closely than our own Moon - a barren rocky world strewn with craters. But there is a bit more to Mercury than meets the eye
IO (moon of Jupiter) >>>> The Most Badass Moons in the Solar System- Io: The Realm of Raging Volcanoes Planet: Jupiter Diameter: km Date of Discovery: 1610 (Galileo Galilei) Most Badass Feature: It’s a moon. With hundreds of active volcanoes.
Enormous Solar Eruption A coronal mass ejection (CME) erupted from just around the edge of the sun on May in a gigantic rolling wave. CMEs can shoot over a billion tons of particles into space at over a million miles per hour.
Radar data from NASA's Magellan craft helped scientists stitch together this image of Venus. A European probe recently detected evidence of lighting inside the clouds of sulfuric acid that compose Venus' dense atmosphere.