Tag Archive for 'Oxygen'

Ancient Earth. Image credit: Imperial College London.

Archean Earth’s Upper Atmosphere Was Oxygen-Rich, Scientists Discover

May 12, 2016 by News Staff

An international team of researchers from Australia and the United Kingdom has made a surprising discovery about the chemistry of Earth’s upper atmosphere...

SOFIA/GREAT spectrum of oxygen [OI] superimposed on an image of Mars from NASA’ MAVEN mission. The amount of atomic oxygen computed from SOFIA data is about half the amount expected. Image credit: NASA / DLR / USRA / DSI / MPIfR / GREAT Consortium / MPIfS / Rezac et al / MAVEN.

NASA’s SOFIA Observatory Detects Atomic Oxygen in Upper Atmosphere of Mars

May 10, 2016 by Enrico de Lazaro

NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA), the largest airborne observatory in the world, has detected atomic oxygen in the upper...

SDSS J1240+6710 (arrow). Image credit: S.O. Kepler et al / Sloan Digital Sky Survey.

Astronomers Discover White Dwarf Star with Oxygen Atmosphere

Apr 1, 2016 by Natali Anderson

A team of astronomers led by Dr. Souza Oliveira Kepler from the Federal University of Rio Grande do Sul, Brazil, is reporting the discovery of a white...

Rosetta has made the first in situ detection of oxygen molecules outgassing from a comet; this surprising observation suggests they were incorporated into the comet during its formation. This infographic depicts various strands of evidence gathered for the study. Image credit: ESA / ATG medialab / Rosetta / NavCam / A. Bieler et al. / CC BY-SA IGO 3.0.

Molecular Oxygen Detected in Coma of 67P/Churyumov-Gerasimenko

Oct 29, 2015 by News Staff

ESA’s Rosetta orbiter has detected molecules of oxygen in the coma of comet 67P/Churyumov–Gerasimenko. Rosetta has made the first in situ detection...

An ocean eddy (bottom of the image) as seen from space. Image credit: NASA Earth Observatory.

Scientists Find ‘Dead Zones’ in Atlantic Ocean

Apr 30, 2015 by News Staff

A group of researchers led by Dr Johannes Karstensen of the GEOMAR Helmholtz Centre for Ocean Research Kiel in Germany has discovered unexpectedly low...

Some of the rocks that Dr Crowe and his colleagues studied in South Africa. Image credit: Nic Beukes.

Oxygen Appeared in Earth’s Atmosphere 3 Billion Years Ago

Sep 26, 2013 by Natali Anderson

An analysis of three-billion-year-old soils from South Africa shows that oxygen appeared in the atmosphere more than 600 million years earlier than previously...

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