In first, Perseverance Mars rover makes oxygen on another planet
NASA's Perseverance rover keeps making history.
Planetary Sciences
Apr 22, 2021
11
755
News tagged with atmospheric oxygen
How oxygen-producing cyanobacteria facilitated complex life
The "Great Oxygenation Event" (GOE), the process whereby the Earth's atmosphere was continuously enriched with oxygen, a waste product of photosynthesis, began ~2.43 billion years ago. The source, according to science, was ...
Evolution
Apr 19, 2021
0
1537
Study warns of 'oxygen false positives' in search for signs of life on other planets
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios ...
Astrobiology
Apr 13, 2021
2
5705
First transiting exoplanet's 'chemical fingerprint' reveals its distant birthplace
Astronomers have found evidence that the first exoplanet that was identified transiting its star could have migrated to a close orbit with its star from its original birthplace further away.
Astronomy
Apr 7, 2021
2
340
Ancient atmospheric oxygen sleuthing with ocean chromium
Found in jewelry, car parts, pigments, and industrial chemical reactions, the metal chromium and its compounds are often employed for their color, finish, and anti-corrosive and catalytic properties. Currently, geoscientists ...
Earth Sciences
Apr 6, 2021
0
704
If a planet has a lot of methane in its atmosphere, life is the most likely cause
The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed and in position at the Earth-Sun Lagrange Point 2, it'll begin work. One of its jobs is to examine the atmospheres of exoplanets and look ...
Astronomy
Dec 24, 2020
2
905
Producing less costly, greener hydrogen peroxide
Australian researchers led by the University of New South Wales have used the Australian Synchrotron to understand how the chemical structure of an advanced catalytic material contributes to its stability and efficiency. ...
Materials Science
Oct 23, 2020
0
314
Someday, even wet forests could burn due to climate change
Millions of years ago, fire swept across the planet, fueled by an oxygen-rich atmosphere in which even wet forests burned, according to new research by CU Boulder scientists.
Earth Sciences
Sep 30, 2020
6
568
Has Earth's oxygen rusted the Moon for billions of years?
To the surprise of many planetary scientists, the oxidized iron mineral hematite has been discovered at high latitudes on the Moon, according to a study published today in Science Advances led by Shuai Li, assistant researcher ...
Space Exploration
Sep 2, 2020
8
470
Volcanic activity and changes in Earth's mantle were key to rise of atmospheric oxygen
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photosynthesizing and pumping ...
Earth Sciences
Jun 9, 2020
3
524
