Archive for May, 202590- Page

Hot sub-Neptune exoplanet TOI-421 b (NIRISS/NIRSpec transmission spectrum) — ESA – larger image This is a transmission spectrum captured by the NASA/ESA/CSA James Webb Space Telescope that reveals the presence

Titan’s dense atmosphere shrouds the moon beneath a tan haze in this image. Dione, another one of Saturn’s many moons, can be seen through the Titan haze in this view

Stellar properties of HWO targets from Harada et al. (2024) and the astrometric and imaging signals contours. The orange, red, blue circle and black points represent stars with known planets,

(RGB)-color images of TOI 5389, TOI 5628, CTOI 29106627, and CTOI 333792947 with their white dwarf companions composed of y-, i- and g-band Pan-STARRS images. The image of CTOI

Illustration of comparative biosignatures and habsignatures in an extrasolar system. Potential comparative biosignatures (green text) and habsignatures (blue text) as deviations from the abiotic baseline are annotated, with larger fonts