Scientists analyzed iron-rich sedimentary rocks and estimated the amount of oxygen present in the atmosphere when those rocks formed, finding low levels of oxygen and giving insight into a potential biosignature for life beyond Earth.

Scientists analyzed iron-rich sedimentary rocks and estimated the amount of oxygen present in the atmosphere when those rocks formed, finding low levels of oxygen and giving insight into a potential biosignature for life beyond Earth.
Today @cosmicsavannah discus about how to recreate the formation of galaxies inside a supercomputer with Dr. Rob Yates as he explains how he uses semi-analytic simulations to try and understand how various elements are created and dispersed around galaxies.
Time for messier marathon, and @awesomeastropod space exploration news. This episode, we have ESA’s demonstrator for extracting oxygen from the lunar surface, countdown to the death of NASA’s Mars Insight lander, future for ExoMars and ISS. And many more.