Astrobiology26- Page

NASA astronaut Jonny Kim conducts research operations for the Noblis /Voyagerr DNA Decryption experiment iss073e0815503 (Sept. 26, 2025) larger image NASA astronaut and Expedition 73 Flight Engineer Jonny Kim shows

Time-lapse footage of a newly discovered exoplanet as it makes its slow journey around two stars. To obtain the image of the planet, astronomers needed to remove the stars’ glare.

Rocky Worlds Status Report The Rocky Worlds Director’s Discretionary Time (DDT) Program is a joint James Webb Space Telescope (JWST) and Hubble Space Telescope (HST) Program. It implements the top

Frame of reference and system of coordinates. Blue arrows denote the Cartesian unit vectors (ex, ey, ez) associated with the frame of reference of the planet, R, and red arrows

Temporal variation of the abundances (left panels) and 12C/13C ratios (middle and right panels) of selected COMs in the gas phase (solid lines) and in the bulk (surface + mantle)

The continuum-subtracted spectra showing emission lines from Ni (dotted red), Fe (dashed green), and CN (solid blue). — astro-ph.EP Interstellar objects are the ejected building blocks of other solar systems.

Top: simulated reflection spectra observation of modern Earth analog for the HWO mission concept. The simulated flux is considered for a planetary system at 10 pc distance. The wavelength is

The normalized contributions of different heating (top) and cooling mechanisms (bottom) for three different densities, nH = 10, 103, 104 cm−3 (a, b, c, respectively) as a function of H2