A Rare Brown Dwarf: HIP 71618 B A New Giant Planet: HIP 54515 b — W. M. Keck Observatory and the Subaru Telescope. Astronomers using W. M. Keck
A Rare Brown Dwarf: HIP 71618 B A New Giant Planet: HIP 54515 b — W. M. Keck Observatory and the Subaru Telescope. Astronomers using W. M. Keck
Artist’s concept of exoplanet TRAPPIST-1e, about 40 light-years from Earth. A new study urges caution when trying to determine if there is a methane atmosphere on TRAPPIST-1e, or any atmosphere
QMS signals recorded during the consecutive deposition of O2 at m/z = 32 and H2O at m/z = 17. — astro-ph.GA Interstellar ices are mainly composed of amorphous solid water
View larger. | Artist’s concept of the double-tailed planet WASP-121 b. The tails span nearly 60% of the planet’s orbit around its star. They form as the atmosphere of the
The Copernicus Sentinel-6B satellite, which was launched on November 17, 2025, has successfully attained its operational orbit and is already sending back significant data regarding sea level variations in the
The top left, top right, and bottom left panels show the high cloud fraction as a function of longitude and latitude for the PI, 1% PAL, and 0.1% PAL scenarios,




