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Red Sea from Sentinel-3B. Captured on 9 May 2018, this image shows the Red Sea, the River Nile and the surrounding desert landscape of Egypt and the Middle East. Vegetation is shown in red.


Mona Evans
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An unusual view of London. This is a radar image from ESA's Sentinel-1A satellite, so the colors are artificial. London appears as a cluster of bright radar reflections along the River Thames.

Released 19/03/2015 10:04 am
Copyright Copernicus data/ESA (2015), CC BY-SA 3.0 IGO


Mona Evans
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Mt. Shasta pokes out from the fog-filled valleys of the Klamath Mountains. North of the the mountain, the Great Basin Desert meets the Cascade Range.

August 21, 2017. Image via NASA, taken by astronauts on board the space station.


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ESA's Sentinel-2B images Hawaii's Kilauea Volcano.

The lava channels are pretty clear in this image of the Hawaii volcano from 23 May. It's an enhanced true-colour image. Optical images from the Sentinel-2 satellite and the interferogram produced from Sentinel-1 data are helping assessing the situation on Hawaii's Big Island.


Mona Evans
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Aurora and Manicouagan Crater from the Space Station

How many of these can you find in today's featured photograph: an aurora, airglow, one of the oldest impact craters on the Earth, snow and ice, stars, city lights, and part of the International Space Station?

Most of these can be identified by their distinctive colors. The aurora here appears green at the bottom, red at the top, and is visible across the left of image. Airglow appears orange and can be seen hovering over the curve of the Earth. The circular Manicouagan Crater in Canada, about 100 kilometers across and 200 million years old, is visible toward the lower right and is covered in white snow and ice. Stars, light in color, dot the dark background of space. City lights appear a bright yellow and dot the landscape. Finally, across the top, part of the International Space Station (ISS) appears mostly tan.

Image Credit: NASA (taken from the ISS in 2012)
Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)


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When I first looked at this, it seemed rather unsavory, but in fact it's the Italian Alps and plains as seen by the Copernicus Sentinel-2B satellite.
Quote
The image captures the transition between the high snow-capped peaks of the Italian Alps and the flatlands of the northwest Po Valley. This transition cuts a sharp diagonal across the image, with the mountains in the top left triangle and the flat low-lying land in the bottom right.

The southern part of the beautiful Lake Maggiore can also be seen in the image. Although its northern end crosses into Switzerland, Lake Maggiore is Italy’s longest lake and its character changes accordingly. The upper end is completely alpine in nature and the water is cool and clear, the middle region is milder lying between gentle hills and Mediterranean flora, and the lower end advances to the verge of the plain of Lombardy.

The River Ticino, which rises in Switzerland and flows through Lake Maggiore, can be seen emerging from the lake’s southern tip. Here, the land, which is one of the most fertile regions in Italy, gives way to numerous agricultural fields, which are clearly visible to the west of the river. The city of Milan lies to the east of the river.


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The first imagery from NOAA’s GOES-17 Advanced Baseline Imager (ABI) made its public debut on May 31, 2018. Here you can see the GOES-17 image of Earth and find out more about it.


Mona Evans
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Taken through a window on the International Space Station by the EarthKAM camera, this photograph shows the boundary between a major dune field and dark hills along the border between Algeria and Libya. These landscapes are among the driest parts of the Sahara Desert. For scale, the dune margin shown in this photo is slightly more than 100 kilometers long.


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Mona, what a stark difference in the landscape. Sort of reminds me of when I am stopped at an intersection and it is raining on one side of the street and not on the other.

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This impressive pic of the volcano on Hawaii's Big Island just came in from the International Space Station, taken by Drew Feustel. "We can still see the Earth’s fury from the Space Station as the lava continues to flow from #Kilauea. Expedition 56 is thinking of Hawaii as the dynamic Earth continues to evolve."


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