Tag Archives | ESA

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Solar cycle 25: the Sun wakes up

The Sun has entered its 25th solar cycle and is about to wake up. For the last few years our star has been pretty sleepy, with few sunspots, bright flares or massive ejections of magnetised plasma emanating from its surface. This quiet period is known as the solar minimum, but things are starting to heat […]

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Mars Express spies an ancient triple crater on Mars

An ancient crater triplet on Mars

Mars is covered in intriguing scars – some of the most prominent being impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express : an ancient triplet comprising not one but three overlapping craters. To source

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Philae’s second touchdown site discovered at ‘skull-top’ ridge

Philae’s second touchdown site discovered at ‘skull-top’ ridge

After years of detective work, the second touchdown site of Rosetta’s Philae lander has been located on Comet 67P/Churyumov-Gerasimenko in a site that resembles the shape of a skull. Philae left its imprint in billions-of-years-old ice, revealing that the comet’s icy interior is softer than cappuccino froth. To source

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ESA seeking dust-proof materials for lunar return

When humans return to the Moon they’ll have formidable challenge lying in wait: lunar dust. The talcum-like lunar regolith is considered the biggest operational problem facing Moon colonists. Within a few days of dust exposure, Apollo spacesuits suffered obscured visors, clogged mechanisms and eroded suit layers. So an ESA team is looking into novel material […]

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Inner space

Image: A human endothelial cell that was flown to the International Space Station and returned to Earth for analysis is helping researchers keep astronauts healthy in space. Endothelial cells line our blood vessels and help contract and expand the vessels as needed and so are instrumental in maintaining pressure and a healthy body. The Endothelial […]

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ESA Masterclass full series: Leadership at Mission Control

The ESA Masterclass series brings leading figures in the Agency to the fore, from the cutting edge of space exploration. Join them as they share their journey, along with decades of experience, knowledge and lessons learnt during their eventful careers in space. In the first of the Masterclass series, we head to Darmstadt, Germany, where epoch-making robotic […]

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Space, astronomy and science