Astrobiology28- Page

Micrographs of fresh (a) and 6 day old (b) SD1T cells stained with acridine orange at 1000x magnification (500 nm Ex./526 nm Em.). Bright spots (a) were common among cells. Terminal spores

Panoramic view of the Chang’e-5 landing site. Credit: CNSA/CLEP Polycyclic aromatics are ubiquitous in the interstellar medium and meteorites, yet the search for lunar polycyclic aromatics remains a significant challenge.

Nancy Grace Roman Space Telescope Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds,

Planets emerge from the dense disk of gas and dust encircling young stars. — NASA Pebble accretion is the leading theory for the formation of exoplanets more massive than the

Sentinel-3 captured this image of Earth’s biggest iceberg, A23a, on 5 April 2025. Larger image The Ocean and Land Colour Instrument on Copernicus Sentinel-3 captured this image of Earth’s biggest

A, C 3D view of the sheet unit overlying the fragmented breccia unit at the eastern rim of the Ritchey crater, HiRISE image on HRSC DEM (architected from Fig. 1C,

A) Sequence alignment tree of the 45 biochemically tested RNAs. Clustering of the RNAs by sequence alignment coincided by the RNA’s use of specific DNA cofactors as coded by different

SPHEREx — NASA Launched on March 11, NASA’s SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ensure it is working as it

Periods and mass ratios for planets detected using different methods. Data points show all exoplanets catalogued on 30 July 2023 (41) and are color-coded by detection method (see legend). The

Schematic of topography on an icy satellite. Equations shown for the evolution of Newtonian viscous ice with shell thickness H. The parameters and equations shown on the figure are described