Skip to main content

Posted by Specola

NASA Astronomy Picture of the Day:

The strangest moon in the Solar System is bright yellow. The featured picture, an attempt to show how Io would appear in the "true colors" perceptible to the average human eye, was taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003. Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The intense tidal gravity of Jupiter stretches Io and damps wobbles caused by Jupiter's other Galilean moons. The resulting friction greatly heats Io's interior, causing molten rock to explode through the surface. Io's volcanoes are so active that they are effectively turning the whole moon inside out. Some of Io's volcanic lava is so hot it glows in the dark. Artemis 1 Coverage: Orion return and splashdown

Giving Kids in Need the Chance to Read
  Non-profit organization - Seattle, WA

Click the Image to learn more about us

Read more from Kudos 365
Read more from Pepe's Painting LLC

Hunger impacts all of us | 360-435-1631

Snohomish, Skagit and Island County