Research says Mars had oxygen-rich atmosphere 4000 million years ago

Research says Mars had oxygen-rich atmosphere 4000 million years ago

ABOVE: The Curiosity rover examines the Kimberley formation in Gale crater, Mars. In front of the rover are two holes from the rover’s sample-collection drill and several dark-toned features that have been cleared of dust (see inset images). These flat features are erosion-resistant fracture fills that are composed of manganese oxides, which require abundant liquid water and strongly oxidizing conditions to form. The discovery of these materials suggests that the Martian atmosphere might once have contained higher abundances of free oxygen than in the present day.

Continue reading Research says Mars had oxygen-rich atmosphere 4000 million years ago at Alien UFO Sightings.

Related Articles

Read More

Leave a Reply