The rapidly changing climate in the Arctic is not only linked to melting glaciers and declining sea ice, but also to thinning ice on lakes. The presence of lake ice can be easily monitored by imaging sensors and standard satellite observations, but now adding to its list of achievements, CryoSat can be used to measure […]
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Week in images
Our week through the lens: 29 July – 2 August 2019 To source
Asteroid's surprise close approach illustrates need for more eyes on the sky
On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon. To source
Space data relay system shows its speed
A satellite network that can zoom in on ships at sea and check for oil spills in almost real time has demonstrated its capabilities at a high-level international event in Brussels. To source
Cybersecurity test on ISS
Technology image of the week: This compact experiment aimed at boosting space cybersecurity is operating on the International Space Station, using a Raspberry Pi Zero computer To source
Washed up: Sargassum blankets beaches
Over the last month, massive quantities of the Sargassum seaweed have been washing up on the shores of Mexico, Florida in the US and some Caribbean islands, creating a serious environmental problem and causing havoc for the tourist industry. ESA has been tracking this slimy infestation from space. To source
EDRS-C mated with launcher
The second satellite to join the constellation that forms the European Data Relay System (EDRS) has been mated with its launch vehicle. To source
Siberian wildfires
Copernicus Sentinel-3 captures multiple blazes surrounding Yakutsk, capital of the Sakha Republic, Russia To source
Call for CubeSats
University teams are invited to submit their CubeSat proposal for the latest edition of our Fly Your Satellite! programme. To source
Speaking from space
Watch the replay of Luca speaking with media in Italy from the International Space Station. To source
Flight of the Dragon
Human and robotic exploration image of the week: A Dragon carrying fresh supplies and experiments to the International Space Station awaits capture To source
First rollout of Ariane 6 mobile gantry
At Europe’s Spaceport the Ariane 6 mobile gantry, a 90 metre-high metallic structure built to house Ariane 6 underwent a 97 m rollout test last week to mimic prelaunch. To source
Cheops passes final review before shipment to launch site
The Characterising Exoplanet Satellite, Cheops, has successfully passed the final analysis review for its launch on a Soyuz rocket from Europe’s Spaceport in Kourou, French Guiana. To source