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Tidal forces from the Sun may have shaped Mercury's tectonic features
Paris, France (SPX) Jun 23, 2025 New research from the University of Bern reveals that tidal forces from the Sun may have significantly contributed to the formation of Mercury's hills and cliffs, challenging the long-standing belief that these features resulted solely from planetary cooling and contraction. The findings draw on models of Mercury's orbit and rotation, and future studies will be supported by data from ESA and JAXA's BepiColombo mission, to which the University of Bern has contributed two scientific instruments. Mer ... read more |
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Top images reveal Mercury's mysteries during BepiColombo's sixth flybyParis, France (SPX) Jan 10, 2025 On January 8, 2025, the ESA/JAXA BepiColombo mission made its sixth flyby of Mercury, completing the final gravity assist needed to position itself for orbit insertion around the planet in late 2026 ... more 
Mercury observed in thermal infrared for the first timeBerlin, Germany (SPX) Dec 13, 2024 Mercury, the smallest and innermost planet in the solar system, continues to intrigue planetary researchers with its unique composition and structure, which differ significantly from Earth's Moon de ... more 
BepiColombo achieves milestone with mid-infrared observations of MercuryParis, France (SPX) Dec 10, 2024 On December 1, 2024, the European Space Agency's BepiColombo mission completed its fifth flyby of Mercury, marking a historic first by capturing the planet in mid-infrared light. The unprecedented i ... more 
BepiColombo collects data during its fifth Mercury flybyParis, France (SPX) Nov 30, 2024 BepiColombo successfully completed its fifth flyby of Mercury on December 1, 2024, passing between the planet and the Sun and reaching a closest approach of 37,630 kilometers at 15:23 CET. ... more |
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PSI unveils Mercury's hidden glaciers, suggesting new astrobiological insightsTucson AZ (SPX) Nov 18, 2023 Scientists from the Planetary Science Institute have uncovered evidence of potential salt glaciers on Mercury, opening a new frontier in astrobiology by revealing a volatile environment that might e ... more 
Source of electron acceleration and X-ray aurora of MercuryKanazawa, Japan (SPX) Oct 11, 2023 Since Mercury is the closest planet to the Sun among the solar system planets, it is strongly influenced by the solar wind, a high-speed (several hundred km/s) stream of plasma blowing from the Sun. ... more 
Mapping the Sun's Interaction with Mercury's SurfaceTucson AZ (SPX) Sep 15, 2023 A new study maps the infall of protons and electrons from the solar wind to geographical location on the surface of Mercury, giving scientists new insight into how interactions with the Sun alters t ... more 
First BepiColombo flyby of Mercury finds electron rain triggers x-ray aurorasLondon, UK (SPX) Jul 19, 2023 BepiColombo, the joint European Space Agency (ESA) and Japanese Aerospace Exploration Agency (JAXA) mission, has revealed how electrons raining down onto the surface of Mercury can trigger high-ener ... more 
ASU scientist uses NASA MESSENGER mission data to measure chromium on MercuryTempe AZ (SPX) Jul 11, 2023 The origin of Mercury, the closest planet to the sun, is mysterious in many ways. It has a metallic core, like Earth, but its core makes up a much larger fraction of its volume - 85% compared to 15% ... more |
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A trio of images highlight BepiColombo's third Mercury flyby
Paris (ESA) Jun 22, 2023 The ESA/JAXA BepiColombo mission has made its third of six gravity assist flybys at Mercury, snapping images of a newly named impact crater as well as tectonic and volcanic curiosities as it adjusts its trajectory for entering Mercury orbit in 2025. The closest approach took place at 19:34 UTC (21:34 CEST) on 19 June 2023, about 236 km above the planet's surface, on the night side of the planet. "Everything went very smoothly with the flyby and images from the monitoring cameras taken during ... read more 
BepiColombo braces for third Mercury flybyParis (ESA) Jun 15, 2023 The ESA/JAXA BepiColombo mission is gearing up for its next close flyby of Mercury on 19 June, when it will pass the planet's surface at an altitude of about 236 km. This is the third of six gravity ... more |
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BepiColombo's second Mercury flybyParis (ESA) Jun 28, 2022 A beautiful sequence of 56 images taken by the monitoring cameras on board the ESA/JAXA BepiColombo mission as the spacecraft made its second close flyby of its destination planet Mercury on 23 June ... more 
Second helpings of MercuryParis (ESA) Jun 27, 2022 The ESA/JAXA BepiColombo mission has made its second gravity assist of planet Mercury, capturing new close-up images as it steers closer towards Mercury orbit in 2025. The closest approach took plac ... more
BepiColombo lines up for second Mercury flybyParis (ESA) Jun 21, 2022 The ESA/JAXA BepiColombo mission is gearing up for its second close flyby of Mercury on 23 June. ESA's spacecraft operation team is guiding BepiColombo through six gravity assists of the planet befo ... more 
Solar Wind a Major Driver of Atmospheric Sodium at MercuryWashington DC (SPX) May 31, 2022 No object in the solar system experiences the Sun's solar wind more powerfully than Mercury. The planet's magnetic field deflects the Sun's stream of electrically charged particles at a distance of ... more 
Space dust, asteroids and comets can account for all water on MercuryLeiden, Netherlands (SPX) Apr 22, 2022 Mercury harbors water ice in the shadows of the steepest craters around its poles. But it is unclear how those water molecules ended up on Mercury. Now a new simulation shows that incoming minor bod ... more |
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