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ESA Top News
Updated: 1 hour 43 min ago

Clocks, gravity, and the limits of relativity

Thu, 23/05/2019 - 12:17

The International Space Station will host the most precise clocks ever to leave Earth. Accurate to a second in 300 million years the clocks will push the measurement of time to test the limits of the theory of relativity and our understanding of gravity.

A unique experiment to explore black holes

Thu, 23/05/2019 - 11:00

What happens when two supermassive black holes collide? Combining the observing power of two future ESA missions, Athena and LISA, would allow us to study these cosmic clashes and their mysterious aftermath for the first time.

Gravity to the max

Wed, 22/05/2019 - 09:00

Technology image of the week: ESA’s Large Diameter Centrifuge gives European researchers access to high gravity environments for testing

Zero-G Spiderman

Tue, 21/05/2019 - 11:10

Human and robotic exploration image of the week: A parabolic flight experiment tests perception in altered gravity states

Gravity wonders

Mon, 20/05/2019 - 15:45

Space Science Image of the Week: Black holes provide an extreme cosmic laboratory to test some of the strongest gravity fields in the Universe

Living Planet highlights

Fri, 17/05/2019 - 15:00

As the biggest Earth observation conference in the world draws to a close, we take a look back on some of the week’s highlights

Mission control 'saves science'

Fri, 17/05/2019 - 14:57

Every minute, ESA’s Earth observation satellites gather dozens of gigabytes of data about our planet – enough information to fill the pages on a 100-metre long bookshelf. Flying in low-Earth orbits, these spacecraft are continuously taking the pulse of our planet, but it's teams on the ground at ESA’s Operations Centre in Darmstadt, Germany, that keep our explorers afloat.

Week in images

Fri, 17/05/2019 - 14:12

Our week through the lens:
13 - 17 May 2019

Satellites yield insight into not so permanent permafrost

Fri, 17/05/2019 - 13:10

Ice is without doubt one of the first casualties of climate change, but the effects of our warming world are not only limited to ice melting on Earth’s surface. Ground that has been frozen for thousands of years is also thawing, adding to the climate crisis and causing immediate problems for local communities.

Earth from Space

Fri, 17/05/2019 - 09:05

In this week's edition from the Living Planet Symposium in Milan, we feature a Copernicus Sentinel-2 image of the Po Valley

Po Valley

Fri, 17/05/2019 - 09:05

Earth observation image of the week: Copernicus Sentinel-2 takes us over the Po Valley in northern Italy

A quarter of glacier ice in West Antarctica is now unstable

Thu, 16/05/2019 - 19:30

By combining 25 years of ESA satellite data, scientists have discovered that warming ocean waters have caused the ice to thin so rapidly that 24% of the glacier ice in West Antarctica is now affected.

Take a deep breath

Thu, 16/05/2019 - 12:40

With air pollution a global concern, satellites provide vital information about air quality to help understand how to keep our planet breathable

The air we breathe

Thu, 16/05/2019 - 12:05

Air pollution is a global environmental health problem, especially for those living in urban areas. Not only does it negatively impact our ecosystems, it considerably affects our health. According to the World Health Organization (WHO), around 8 million premature deaths per year are linked to air pollution, more than double of previous estimates.

Where science meets art

Thu, 16/05/2019 - 11:30

New exhibition ‘Fragility and Beauty – taking the pulse of our planet from space’ opens in Milan, Italy

Monitoring Earth’s shifting land

Wed, 15/05/2019 - 16:00

The monitoring of land subsidence is of vital importance for low-lying countries, but also areas which are prone to peculiar ground instability.

Reprogrammable satellite takes shape

Wed, 15/05/2019 - 15:04

The payload and platform of the first European satellite that can be completely reprogrammed after launch have been successfully joined together.

The assembly of Eutelsat Quantum took place in the Airbus facility in Toulouse, France, on 10 May.

3D Earth in the making

Wed, 15/05/2019 - 14:00

A thorough understanding of the ‘solid Earth’ system is essential for deciphering the links between processes occurring deep inside Earth and those occurring nearer the surface that lead to seismic activity such as earthquakes and volcanic eruptions, the rise of mountains and the location of underground natural resources. Thanks to gravity and magnetic data from satellites along with seismology, scientists are on the way to modelling inner Earth in 3D.

Proba-V is six

Wed, 15/05/2019 - 13:50

Technology image of the week: the snow-capped peaks of New Zealand’s South Island, taken by ESA’s Earth-observing minisatellite, into its sixth year in orbit

Water cycle wrapped

Wed, 15/05/2019 - 11:00

As our climate changes, the availability of freshwater is a growing issue for many people around the world. Understanding the water cycle and how the climate and human usage is causing shifts in natural cycling processes is vital to safeguarding supplies. While numerous satellites measure individual components of the water cycle, it has never been described as a whole over a particular region – until now.