Astrobiology9- Page

The best-fit PICASO retrieval temperature-pressure (TP) profile is plotted as a solid blue line with the temperature-pressure knots indicated in solid blue circles. The light blue shaded region indicates the

GC content, total number and their frequencies of PQS in H. volcanii genome. (A) Schematic presentation of a G-quartet (left) and a G-quadruplex (right). (B) Total PQS counts, percentage of

Illustration of the electrodynamic interaction between Enceladus and Saturn. The primary Alfvén wing is shown in blue, and the reflected Alfvén wings in magenta. The arrow indicates the corotation direction

Hypothetical sequence of events that led to the origin of the purple-green photosymbiosis of P. tenue. See main text for details. Note that all ancestors and extant species remain phagotrophic

From left, Johns Hopkins APL engineers Tyler Radomsky and Felipe Ruiz install a rotor on the Dragonfly test model at the Transonic Dynamics Tunnel at NASA’s Langley Research Center in

The reflectance spectrum detailing features from O2, O3, H2O, CO2, and CH4 of a modern Earth-like planet from 0.2 – 2 µm, similar in range expected from HWO (adapted from

Color phase curves (CPCs) for the sum of planets ’b’ and ’d’ in the Proxima Centauri system. The CPC is the ratio of the flux in the 21 µm to

Alignment of complexity slope intercepts with star formation in the universe. (a) Lines were generated with the slopes and intercepts at early features from Table 4. All intercepts are placed