Astrobiology28- Page

Upper mass limits for a potential lunar companion to β Pic b as a function of orbital period. The color is proportional to the density of MCMC posterior samples, and

South Africa’s exceptionally preserved ancient rocks hold key evidence for the rise ofatmospheric oxygen. Within them, researchers see the disappearance of sulfur mass-independent fractionation, evidence for a GOE. Credit Photo

This illustration shows Jezero Crater — the landing site of the Mars 2020 Perseverance rover. — NASA.gov On Mars, the amount of ultraviolet C (UVC) radiation that reaches the surface

Computer simulation of a Milky Way-like galaxy from the Auriga suite, cycling between views of the stars, the gas coloured by iron (Fe) abundance, and the gas coloured by magnesium

This artist’s impression shows a view of the surface of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System. © ESO/M.

Images of the total intensity of scattered light from debris disks detected with IRDIS, IFS, or ZIMPOL. The white bar at the bottom of each image corresponds to 1″. In

(left) This zoomed-in image of Uranus, captured by Webb’s Near-Infrared Camera (NIRCam) Feb. 6, 2023. The planet displays a blue hue in this representative-color image, made by combining data from

The transit of Venus across the sun on 5 June 2012 observed in 5 SDO channels. The black dots represent the path of Venus and do not depict the actual

Toward Process-Driven Research in Astrobiology – Grok via Astrobiology.com Biological activity has shaped environments across Earth with varying degrees of impact throughout geological time, which complicates efforts to distinguish signs