Color-color plot for asteroids from Sergeyev & Carry (2021), based on the parameter space defined by Ivezi´c et al. (2001) to identify asteroid families and surface compositions. The most likely
Archive for August, 202522- Page
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Juice flyby of Venus — ESA The European Space Agency’s Jupiter Icy Moons Explorer (Juice) is on track for its gravity-assist flyby at Venus on 31 August, following the successful
Expected Doppler semiamplitude imparted on a solar-mass host star by a super-Earth with orbital period P = 2 days and Rp = 1.6 R⊕ as a function of core-mass fraction
Sub-Neptune exoplanets tend to be much closer to their host star than Earth is to the Sun and are thought to have atmospheres made of steam over layers of an
The James Webb Space Telescope (JWST) has observed the interstellar visitor 3I/ATLAS for the first time. The powerful space telescope trained its infrared vision and its Near-Infrared Spectrograph instrument (NIRspec)
Credit: NASA’s Goddard Space Flight Center; Music Credit: “History in Motion” by Fred Dubois , Koka Media , Universal Publishing Production Music France , and Universal Production Music. On Aug.
Think of NASA’s Stennis Space Center, and one likely thinks of rocket propulsion testing. The site has a long history of testing to support the nation’s space efforts, including the
The era of single-vector threats is behind us. That was Aerial Defense 1.0, when defenses were designed for ballistic missiles tracked by radar and defeated by linear kill webs. Threats
The smallest magnetic loops ever seen in the sun’s corona — imaged for the first time by the National Science Foundation’s Daniel F. Inouye Solar Telescope — could be the
WASHINGTON — Developers of large satellite constellations say it may be impossible to meet brightness goals established by astronomers to minimize the impact of those satellites on their constellations. To
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