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Mars Express Spots Sand Dunes and Ice Layers at Martian North Pole

Mars Express Spots Sand Dunes and Ice Layers at Martian North Pole

Posted by By News Staff March 1, 2024
New images from the High Resolution Stereo Camera (HRSC) on ESA’s Mars Express spacecraft show the terrain surrounding the permanent north polar ice cap of Mars. This image from ESA’s…
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Webb Finds Evidence of Hydrothermal Processes in Interiors of Eris and Makemake

Webb Finds Evidence of Hydrothermal Processes in Interiors of Eris and Makemake

Posted by By News Staff February 15, 2024
The icy dwarf planets Eris and Makemake have surfaces bearing methane ice of unknown origin. According to an analysis of data from the NASA/ESA/CSA James Webb Space Telescope, Eris and…
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Mars Express Finds New Evidence for Ice-Rich Layered Deposits in Medusae Fossae

Mars Express Finds New Evidence for Ice-Rich Layered Deposits in Medusae Fossae

Posted by By News Staff January 22, 2024
Over 15 years ago, ESA’s Mars Express spacecraft studied the Medusae Fossae Formation, revealing enigmatic deposits up to 2.5 km deep. From those early observations, it was unclear what the…
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Enceladus’ Surface May Contain Relatively High Abundances of Pristine Organic Material

Enceladus’ Surface May Contain Relatively High Abundances of Pristine Organic Material

Posted by By News Staff December 21, 2023
Enceladus, the sixth-biggest moon of Saturn, presents a remarkable opportunity in our Solar System for searching for evidence of extraterrestrial life, given its habitable ocean and plume that deposits organic-bearing…
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ESA Astronaut Captures Stunning Images of Rare Thunder Phenomenon

ESA Astronaut Captures Stunning Images of Rare Thunder Phenomenon

Posted by By News Staff December 1, 2023
As part of the Thor-Davis experiment on the International Space Station (ISS), ESA astronaut Andreas Mogensen has captured images of a phenomenon called red sprite. Equipped with a specialized event-based…
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Scientists Recreate Extraterrestrial Atmospheric Hazes in the Lab

Scientists Recreate Extraterrestrial Atmospheric Hazes in the Lab

Posted by By News Staff November 27, 2023
The NASA/ESA/CSA James Webb Space Telescope has begun its scientific mission, which includes the atmospheric characterization of transiting exoplanets. Some of the first exoplanets to be observed by Webb have…
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ESA’s Trace Gas Orbiter Observes Green Atmospheric Nightglow on Mars

ESA’s Trace Gas Orbiter Observes Green Atmospheric Nightglow on Mars

Posted by By News Staff November 13, 2023
The atmospheric nightglow is observed on Earth. On Mars, it was something expected, yet never observed in visible light until now. This image shows an artist’s impression of what nightglow…
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InSight’s Largest Marsquake Was Likely Caused by Geological Processes, Study Says

InSight’s Largest Marsquake Was Likely Caused by Geological Processes, Study Says

Posted by By News Staff October 18, 2023
During its time on Mars, NASA’s InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) lander recorded over 1,300 seismic events, known as marsquakes. Of these, a number were…
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Europa’s Carbon Dioxide Originates from Source within Its Subsurface Ocean, Planetary Scientists Say

Europa’s Carbon Dioxide Originates from Source within Its Subsurface Ocean, Planetary Scientists Say

Posted by By News Staff September 22, 2023
Jupiter’s icy moon Europa has an ocean beneath a crust of water ice. Solid carbon dioxide has previously been observed on the surface, but the source was unknown. Two teams…
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ESA’s Mars Express Focuses on Surroundings of Olympus Mons Volcano

ESA’s Mars Express Focuses on Surroundings of Olympus Mons Volcano

Posted by By News Staff August 24, 2023
Lava flows on Olympus Mons probably melted ice in the ground, making the volcano flank unstable; rockfalls and landslides moved hundreds of km into the surrounding landscape, forming a characteristic…
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PhysicsSpace Exploration

AMS Detector Reveals Surprising Surplus of Cosmic Rays Made of Deuterons

Deuterons — atomic nuclei made up of a proton and a neutron — are thought to form in the same ...
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AstronomySpace Exploration

Study: Asteroid Psyche Originated beyond Solar System’s Snow Line and Later Migrated to Main Belt

Planetary scientists using spectral data from the NASA/ESA/CSA James Webb Space Telescope have confirmed the detection of hydroxyl molecules on ...
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