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Posted inEnviro

Seasonal changes in Antarctic ice sheet flow dynamics detected for the first time

Certain estimates of Antarctica’s total contribution to sea-level rise may be over, or even underestimated, after researchers detected a previously unknown source of ice loss variability. In a new paper published in The Cryosphere, researchers using Copernicus Sentinel-1 data, found that glaciers feeding the George VI Ice Shelf speed up by approximately 15% during the Antarctic summer. This is the […]

Posted inSci/Tech

First kinetic impact test succeeds in shifting asteroid orbit

The kinetic impact of NASA’s DART spacecraft with the Dimorphos asteroid around its larger Didymos parent body has succeeded in shifting its orbit, meaning humankind’s first planetary defence test has been successful. Observations are continuing of the debris plume caused by the collision for as long as possible, as the asteroid system gradually recedes from Earth. As […]

Posted inSci/Tech

Webb and Hubble capture detailed views of DART impact

Two of the great space observatories, the NASA/ESA/CSA James Webb Space Telescope and the NASA/ESA Hubble Space Telescope, have captured views of a unique experiment to smash a spacecraft into a small asteroid. Observations of NASA’s Double Asteroid Redirection Test (DART) impact mark the first time that Webb and Hubble were used to simultaneously observe the same celestial […]

Posted inSci/Tech

Hera team congratulates NASA asteroid impactors

ESA’s Hera mission team congratulates their counterparts in NASA’s DART mission team for their historic impact with the Dimorphos asteroid. Moving at 6.1 km per second, the car-sized Double Asteroid Redirect Test spacecraft struck the 160-m diameter asteroid at 01:15 CEST (00:15 BST) in the early hours of Tuesday morning, in humankind’s first test of the ‘kinetic […]

Posted inEnviro

Rhine river runs dry

Water levels on the Rhine River, Europe’s second-largest river, have continued to drop owing to soaring temperatures and lack of rainfall, preventing many vessels from navigating through the waters at full capacity. The Copernicus Sentinel-2 mission captured part of the Rhine River near Cologne – showing the stark difference between August 2021 and August 2022. Flowing from […]

Posted inSci/Tech

Webb in full focus

Alignment of the James Webb Space Telescope is now complete. After full review, the observatory has been confirmed to be capable of capturing crisp, well-focused images with each of its four powerful onboard science instruments. Upon completing the seventh and final stage of telescope alignment, the team held a set of key decision meetings and unanimously agreed […]

Posted inSci/Tech

Hubble observations used to answer key exoplanet questions

Archival observations of 25 hot Jupiters by the NASA/ESA Hubble Space Telescope have been analysed by an international team of astronomers, enabling them to answer five open questions important to our understanding of exoplanet atmospheres. Amongst other findings, the team found that the presence of metal oxides and hydrides in the hottest exoplanet atmospheres was […]

Posted inSci/Tech

ExoMars suspended

As an intergovernmental organization mandated to develop and implement space programs in full respect with European values, we deeply deplore the human casualties and tragic consequences of the aggression towards Ukraine. While recognizing the impact on scientific exploration of space, ESA is fully aligned with the sanctions imposed on Russia by its Member States. ExoMars […]

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