An artist’s impression of 3I/ATLAS is shown as it passes near the Sun, illuminating one side of the comet. On the side of the comet closer to the sun, the

Chemical structures of selected ILs and DES. (a) Anions common to planetary environments could lead to abiotic formation of ILs and DES, including, e.g., NO3 −, HSO4 −, Cl−, ClO4−,

Artist concept highlighting the novel approach proposed by the 2025 NIAC awarded selection of Inflatable Starshade for Earthlike Exoplanets concept. — NASA/John Mather — NASA Innovative Advanced Concepts (NIAC) Imaging

Mars topographic map showing the inventory of observed data relating to water flow effects. (a) Digital Elevation Model (DEM) from the Mars Orbiter Laser Altimeter (MOLA) (Smith et al., 2001;