Astrobiology5- Page

The abundance ratios, log(X/O), versus metallicity for nitrogen (top-left), neon (top-right), sulphur (bottom-left) and argon (bottom-right). The blue lines shows literature relations derived by Izotov et al. (2006), Andrews &

Dale Andersen at Lake Untersee, Antarctica holding up the ISS Crew 11 patch on 11 Jan 2026 – Dale T. Andersen Keith’s note: Dale Andersen and his astrobiology research team

Images from NASA’s James Webb Space Telescope of the dwarf galaxy Sextans A reveal polycyclic aromatic hydrocarbons (PAHs), large carbon-based molecules that can be a signifier of star formation. The

TESS target pixel file image created with tpfplotter for TOI-6716 (left) and TOI-7384 (right) observed in Sector 88 (2025 Jan 14 – 2025 Feb 11) and Sector 87 (2024 Dec

Color-magnitude diagram showing the targets in the ExEP target list for HWO. The grey points represent a sample of stars within 100 pc taken from Gaia DR3. The cyan points

Evo composes realistic bacteriophage genomic sequences. (A) Key considerations highlight- ing the complexity of genome-scale design. (B) Generative genome language models have the potential to access novel phage genome design

Interior structure schematic for the interior composition of sub-Neptune models presented in this work. Color is an approximate indicator of temperature (specific values depend on the model). The envelope (∼5%

Kiel diagram for our sample of 561 stars. The stellar metallicities are represented by the color bar. — astro-ph.EP The giant planet-metallicity correlation revealed that planetary formation depends on the

Traverse team prepares for departure from Ultima Air strip to Lake Untersee — Dale Andersen Keith’s note: This morning Dale Andersen and his team departed their arrival point at Ultima