Variability Due To Climate And Chemistry In Observations Of Oxygenated Earth-analogue Exoplanets - Astrobiology - Astrobiology News
The Great Oxidation Event was a period during which Earth’s atmospheric oxygen (O2) concentrations increased from ?10?5 times its present atmospheric level (PAL) to near modern levels, marking the start of the Proterozoic geological eon 2.4 billion years ago.…
This figure demonstrates how seasons can impact exoplanet spectra. In units of Jy the total flux received by the telescope ( = + ) is plotted in the radial direction against phase in the azimuthal di… [+3226 chars]
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