- How could Mars have an oxygen rich atmosphere so long ago? https://en.wikipedia.org/wiki/Great_oxygenation_event 12 comments askscience
Linking pages
- Mars had an oxygen-rich atmosphere four billion years ago | Mars | The Guardian http://www.guardian.co.uk/science/2013/jun/19/mars-oxygen-rich-atmosphere 387 comments
- Can We Make Mars Earth-Like Through⦠| The Planetary Society https://www.planetary.org/articles/can-we-make-mars-earth-like-through-terraforming 46 comments
- Two-Billion-Year-Old Fossils Reveal Strange and Puzzling Forms - Scientific American Blog Network http://blogs.scientificamerican.com/artful-amoeba/2015/01/29/two-billion-year-old-fossils-reveal-strange-and-puzzling-forms/?wt.mc_id=sa_facebook 8 comments
- 1.6 Billion-Year-Old Breath of Life Has Been Found in These Amazing Fossils : ScienceAlert https://www.sciencealert.com/trapped-oxygen-bubbles-are-1-6-billion-years-old 6 comments
- Ancient Upheavals Show How to Geoengineer a Stable Climate https://palladiummag.com/2019/01/28/ancient-upheavals-show-how-to-geoengineer-a-stable-climate/ 4 comments
- Signs of oxygen in 3-billion-year-old soil | Ars Technica http://arstechnica.com/science/2013/10/signs-of-oxygen-in-3-billion-year-old-soil/ 3 comments
- How to Survive a Mass Extinction - Even One Caused by Us - The New York Times http://dotearth.blogs.nytimes.com/2013/09/17/how-to-survive-a-mass-extinction-even-one-caused-by-us/ 0 comments
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