Pinterest • The world’s catalog of ideas

Explore Loop Nebula, Nebula Lies, and more!

A dune field on Mars in the north, less than 400 km from the north pole. During the Martian winter, carbon dioxide freezes out of the air. In the summer the CO2 turns directly from a solid to a gas disturbing the sand which falls down the slopes in little channels spreading out when it hits the bottom. This disturbs the red dust, which flows with the sand creating the feathery tendrils seen here

Death Star: Eta Carinae, one of the closest stars to Earth is huge and unstable and will likely explode in a supernova in the relatively 'near future' (On an astronomical timeline this could be a million years from now). via NASA #Eta_Carinae #Supernova #NASA

"Light Echo" illuminates dust around Supergiant Star V838 Monocerotis (V838 Mon) | NASA and The Hubble Heritage Team (AURA/STScI).