WASHINGTON — The U.S. Space Force plans to select multiple companies to each build several satellites as part of a proliferated network of surveillance sensors in geostationary orbit. To continue
WASHINGTON — The U.S. Space Force plans to select multiple companies to each build several satellites as part of a proliferated network of surveillance sensors in geostationary orbit. To continue
The black line shows the IRTF/SpeX spectrum of 3I/ATLAS, normalized at 1.2 µm. Colored lines and shaded regions represent the mean and ±σ ranges for S-type (blue), D-type (red), and
Left: Planet-to-star mass ratio as a function of the planet semi-major axis for all planets orbiting M-dwarf stars. Darker coloured symbols correspond to planetary masses above 0.2 MJup. Horizontal dotted
The result of 100 successful simulations of the back20 model (the ring at 0.85 au with a 20% background) that produced a good match to all terrestrial planets (as defined
Tron: Ares | Official Trailer – YouTube Watch On With its astonishing neon-saturated visuals and throbbing electronic score by Nine Inch Nails, a new trailer for Disney’s “Tron: Ares” has
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On the left is a cutout from a crowded field (visit id=2025070100200) centered on 3I/ATLAS. The red ring represents the LSST Science Pipeline’s aperture photometry radius (see Section 4.7). In
Results of the pRT retrievals for the atmosphere of HD 86226 c. Left: PACMAN spectrum (black data) and 1, 2, and 3σ percentiles of the spectra from the posteriors of
Synthetic atmospheric transmission spectra of Ross 176 b. Left: Fiducial models for clear or hazy H/He atmospheres with scaled solar abundances. Right: Model for a steam H2O atmosphere. Simulated measurements
Credit: NASA Senegal will sign the Artemis Accords during a ceremony at 2 p.m. EDT on Thursday, July 24, at NASA Headquarters in Washington. Brian Hughes, NASA chief of staff,