Astrobiology15- Page

A top-down view of the TOI-2285 system architecture, where the scale of the figure is shown along each axis. The CHZ is shown in light green, the OHZ extensions to

(top) The JWST spectrum of Cha 1107-7626 taken with NIRSpec-PRISM (green) and MIRI-LRS (blue). Overplotted are the ISPI and Spitzer photometric points from Luhman et al. (2008). (bottom) The spectral

Mass of surface water in the collapsed state as a function of the stellar flux S∗ and the background surface pressure pdry (A), and a function of S∗ and the

One of the navigation cameras on NASA’s Perseverance captured the rover’s tracks coming from an area called “Witch Hazel Hill,” on May 13, 2025, the 1,503rd Martian day, or sol,

Members of the Müller Ice Cap expedition team pose with the final 76 centimeter-long segment of their ice core after drilling to a depth of 613 metres last week on

Molecular evolution of Kai-protein oscillator over 3 billion years Credit Yoshihiko Furuike & Atsushi Mukaiyama To better understand the circadian clock in modern-day cyanobacteria, a Japanese research team has studied

Illustration of the two different degassing scenarios used in this work, which bracket the potential pathways of mantle melting and crystallization of planetary evolution. The range of orange colours corresponds

Transmission spectra of K2-18 b from exoTEDRF (blue), JExoRES (black), SPARTA (orange) and Eureka! (green). For NIRISS and NIRSpec, faded points show higher resolution (R=100 and 200, respectively) spectra, and

A sample of SPIPA-B ice with 3wt% NaCl before (left) and after (right) sublimation at high temperatures (>195 K) for 24h imaged in the simulation chamber with a long-distance microscope.

Distribution of known exoplanet masses plotted vs. semi-major axis (left) and semimajor axis normalized to the location of the snow-line (right) at asnow = 2.7AU M/MSun (green dashed line). Planets