Distribution of the derived planetary radii as a function of insolation, along with the associated KDE. — astro-ph.EP Planetary radii are derived for 218 exoplanets orbiting 161 M dwarf stars.
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Chain of the symbiotic diatom with its N2 fixing cyanobacterial symbiont. In the brightfield (top) the symbiont is inconspicuous inside the host, whereas with epi-fluorescence (bottom) the filaments of the
Efficiency factors of crystalline ice grains with carbon inclusions for grain radii of 1 (red), 2 (blue), 5 (green), and 10 µm (brown). The inclusion fraction is set as 0.1.
D/H ratio in Solar System objects. Comets exhibit large variations between 1 and 3 times Vienna Standard Mean Ocean Water (VSMOW). The red diamond and arrow mark the revised value
Remember when Blizzard Entertainment used to make strategy games? Even after the company turned much of its attention towards other genres — conquering the planet with World of Warcraft —
NASA/Rachel Tilling Sea ice is frozen seawater that floats in the ocean. This photo, taken from NASA’s Gulfstream V Research Aircraft on July 21, 2022, shows Arctic sea ice in the
India continues to refine the hardware and recovery procedures for its Gaganyaan human spaceflight program. The latest exercise, called the Integrated Air Drop Test (IADT-01), was carried out at the
Photographer Osama Fathi has captured a stunning view of Perseid meteors crossing the bright ribbon of the Milky Way over the ruins of an ancient settlement in Egypt dedicated to
SpaceX launched a fresh batch of Starlink spacecraft into orbit this morning (Sep. 3), lofting 28 more satellites into the company’s megaconstellation of over 8,000. A Falcon 9 rocket lifted
Image Credit: HeroX The next era of lunar exploration demands a new kind of wheel – one that can sprint across razor-sharp regolith, shrug off extremely cold nights, and keep
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