New study revises our picture of the most common planets in the galaxy
Thursday, 06 November 2025 01:07
Research led by UChicago's Eliza Kempton finds some 'mini-Neptunes' likely have solid surfaces rather than molten interiors
A new study finds that many "mini-Neptunes" - perhaps the most common planets in the galaxy - are under so much pressure from their heavy atmospheres that the surface is likely compressed solid. Illustration courtesy NASA/JPL-Caltech/R. Hurt (IPAC)
As telescopes Ageing stars found to destroy nearby giant planets
Thursday, 06 November 2025 01:07
Astronomers from University College London and the University of Warwick have discovered that ageing stars may be responsible for destroying giant planets in close orbits. When stars similar to the Sun exhaust their hydrogen fuel, they expand and cool, entering the red giant phase. This transformation can lead to the engulfment and destruction of closely orbiting giant planets.
The researc First comprehensive altitude mapping of blue aurora at 200 kilometers using hyperspectral imaging
Thursday, 06 November 2025 01:07
Researchers at the National Institutes of Natural Sciences have established a new method to determine the altitude distribution of blue aurora using a single hyperspectral camera. Inspired by laboratory plasma techniques, the team estimated auroral heights through analysis of sunlight-excited resonant scattering along the camera's line of sight.
Traditional approaches for capturing auroral Solar Orbiter reveals rapid polar magnetic field drift on the Sun
Thursday, 06 November 2025 01:07
Data from ESA's Solar Orbiter spacecraft, collected during its unique vantage over the solar south pole, demonstrate that the Sun's magnetic field is carried towards the pole at speeds faster than previous models suggested. The measurements analyzed by researchers at the Max Planck Institute for Solar System Research incorporated Polarimetric and Helioseismic Imager (PHI) data from March 21, 202 China's Mars orbiter captures detailed images of interstellar object 3I ATLAS
Thursday, 06 November 2025 01:07
The Tianwen 1 Mars orbiter operated by the China National Space Administration (CNSA) completed a close-range observation of the interstellar object designated 3I/ATLAS using its high-resolution camera. The spacecraft was positioned approximately 30 million kilometers from the object during the imaging process, achieving one of the nearest probe-based studies of 3I/ATLAS.
Data obtained fro Space debris postpones Shenzhou XX astronauts Earth return
Thursday, 06 November 2025 01:07
The scheduled return of the Shenzhou XX astronauts from China's Tiangong space station has been halted for safety reasons following a probable impact with space debris, according to the China Manned Space Agency. The agency reported on Wednesday that the spacecraft charged with bringing three crew members home may have suffered strikes by minuscule orbital debris fragments.
"An impact anal Video: Copernicus Sentinel-1D launch
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Iceye unveils ‘guaranteed’ imagery service as satellite firms vie for defense customers
Wednesday, 05 November 2025 19:44
Earth observation companies shift business models to capture growing demand for sovereign geospatial intelligence capabilities
ESA advances ERS program, marking shift toward dual-use and defense
Wednesday, 05 November 2025 18:26
Astranis unveils Vanguard for secure beyond-line-of-sight satellite communications
Wednesday, 05 November 2025 14:19
Astranis announced plans Nov. 5 to roll out a mobile ad-hoc network service called Vanguard, using its small geostationary satellites to extend the range of point-to-point communications for disaster relief or secure defense operations.
Blue Origin eyes 2nd New Glenn launch with Mars-bound NASA satellites
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Accelerate U.S. lunar exploration with a robotic sample return campaign
Wednesday, 05 November 2025 12:00
A realistic and cost-effective path for the United States to advance the exploration and development of the moon, and to keep our nation in the forefront of that enterprise, is to dramatically increase robotic exploration efforts and to focus with urgency on a comprehensive campaign to collect and return geologic samples from a wide range […]
Self-replicating probes could be operating right now in the solar system; here's how we could look for them
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