Earth Archives

End of Mission for ESA’s Envisat Satellite

envisat

Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was suddenly lost on 8 April. Following rigorous attempts to re-establish contact and the investigation of failure scenarios, the end of the mission is being declared. Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was…

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molten-droplets

Research by NASA and international scientists concludes giant asteroids, similar or larger than the one believed to have killed the dinosaurs, hit Earth billions of years ago with more frequency than previously thought. To cause the dinosaur extinction, the killer asteroid that impacted Earth 65 million years ago would have been almost 6 miles (10…

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Why Has Envisat Gone Silent?

envisat

Optical, radar and laser observations of the Envisat satellite show that it is still in a stable orbit. Efforts to regain contact with the satellite have been under way since 8 April, when it unexpectedly stopped sending data to Earth. On 15 April, the French space agency CNES rotated the Pleiades Earth observation satellite to…

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Students Launch a Rubber Chicken Into Space

Coronal-Mass-Ejection

Last month, when the sun unleashed the most intense radiation storm since 2003, peppering satellites with charged particles and igniting strong auroras around both poles, a group of high school students in Bishop, California, knew just what to do. They launched a rubber chicken. Camilla at ~124,800 feet on March 3, 2012. The students inflated…

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Earth-Day-2012

NASA will celebrate the 42nd anniversary of Earth Day this week with several live and online activities to engage the public about the agency’s mission to use space to explore and better understand our planet. NASA will host three days of displays and presentations open to the public on the National Mall in Washington from…

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Melbourne-at-Night

ESA astronaut André Kuipers has installed ‘NightPod’ on the International Space Station, an aid for taking night-time pictures of Earth. The first batch of pictures offer stunning images of cities at night. Melbourne, Australia, at night taken by ESA astronaut André Kuipers from the International Space Station with the NightPod camera aid. Credits: ESA/NASA Any…

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envisat

As ESA’s Envisat satellite marks ten years in orbit, it continues to observe the rapid retreat of one of Antarctica’s ice shelves due to climate warming. This animation shows radar images from the Envisat satellite from 2002 to 2012 of the Larsen B ice shelf in Antarctica. Over the last decade, the ice shelf has…

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Our Earth is itself a fragile ‘spaceship’, but we tend to forget this in our everyday lives. Sometimes distance is required from a subject to appreciate it fully. ESA astronaut André Kuipers is taking photographs of Earth from 400 km out in space, to remind us just how beautiful and vulnerable our planet is. On…

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A chance alignment of planets during a passing gust of the solar wind has allowed scientists to compare the protective effects of Earth’s magnetic field with that of Mars’ naked atmosphere. The result is clear: Earth’s magnetic field is vital for keeping our atmosphere in place. This animation shows how a particular stream of the…

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Flying Through an Aurora

Glowing green and red, shimmering hypnotically across the night sky, the aurora borealis is a wonder to behold. Longtime sky watchers say it is the greatest show on Earth. It might be the greatest show in Earth orbit, too. High above our planet, astronauts onboard the International Space Station (ISS) have been enjoying an up-close…

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Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this special edition, Envisat Mission Manager, Henri Laur, joins the show to discuss ten years of the Earth-observing mission.

Here is a stunning, mind-blowing time lapse video of the Earth at night, taken by astronauts aboard the International Space Station: The video, taken by astronauts and edited by Michael König, was from a high-resolution camera with low-light abilities, so it can see faint sources of light. The footage was all taken from August to…

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