2015년 3월 14일 토요일

European Space Agency Flickr Update

13-03-2015 04:38 PM CET

europeanspaceagency posted a photo:
Comet on 9 March 2015 – NavCam
This single frame Rosetta navigation camera image was taken from a distance of 71.9 km from the centre of Comet 67P/Churyumov-Gerasimenko on 9 March 2015. The image has a resolution of 6.1 m/pixel and measures 6.3 km across. The image is processed to bring out the details of the comet's activity.

More information and the original image via the blog: Out of the shadow – CometWatch 9 March.

This work is licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform this publication, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as 'ESA - European Space Agency’, a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication. The user must not give any suggestion that ESA necessarily endorses the modifications that you have made. No warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material. Any of the above conditions can be waived if you get permission from ESA. To view a copy of this license, please visit creativecommons.org/licenses/by-sa/3.0/igo/
13-03-2015 02:38 PM CET

europeanspaceagency posted a photo:
False colour comet – Hapi region
False-colour image showing the smooth Hapi region connecting the head and body of comet 67P/Churyumov-Gerasimenko. Differences in reflectivity have been enhanced in this image to emphasise the blueish colour of the Hapi region. By studying the reflectivity, clues to the local composition of the comet are revealed. Here, the blue colouring might point to the presence of frozen water ice at or just below the dusty surface.

The data used to create this image were acquired on 21 August 2014 when Rosetta was 70 km from the comet.

More information via the blog: OSIRIS detects hints of ice in the comet’s neck - blogs.esa.int/rosetta/2015/03/13/osiris-detects-hints-of-...

Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
13-03-2015 10:41 AM CET

europeanspaceagency posted a photo:
Cydonia Mensae topography
The colour-coded topographic view shows a decrease in elevation of nearly 1.5 km across this part of the Cydonia Mensae region of Mars. The more rugged, cratered southern highlands start off beyond the left-hand edge of this image.

The data were acquired by the High Resolution Stereo Camera on ESA’s Mars Express on 19 November 2014 during orbit 13816 and are centred on 38ºN / 353ºE. The ground resolution is about 21 m per pixel.

Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Copyright Notice:
Where expressly stated, images are licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform it, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as 'ESA/DLR/FU Berlin', a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication.
13-03-2015 10:41 AM CET

europeanspaceagency posted a photo:
São Miguel, Azores
This image from over the Azores island of São Miguel features a volcanic complex called the Sete Cidades Massif.

The circular crater or caldera dominates the image and measures about 5 km across. The interior has lakes, volcanic cones, lava domes and maars – or shallow, flooded craters.

The Lagoa das Sete Cidades – or Lagoon of Seven Cities – is comprised of two ecologically different lakes that are connected by a narrow passage, visible at the centre of the image. The lake to the north is known as the Blue Lake while to the one to the south is the Green Lake for the colours they reflect.

According to the legend, the protected daughter of a king escaped to the surrounding hills, where she met and fell in love with a young shepherd. When the shepherd asked the king for his daughter in marriage, the king refused and forbade his daughter from seeing the boy again. The two met secretly one last time and cried until their tears filled the valleys to form the two lakes: one green as the Princess's eyes were green, and the other blue like the shepherd’s eyes.

In the surrounding area we can see the distinct lines where vegetation grows along waterways radiating from the circular massif. Between these lines are agricultural plots.

This image, also featured on the Earth from Space video programme, was acquired by the Spanish Deimos-2 satellite on 6 December 2014. With its high-resolution optical imager, the satellite can see down to a 75 cm ground resolution.

On 1 April, Deimos-2 will become a contributing mission to Europe’s Copernicus programme.

Credit: DEIMOS Imaging
13-03-2015 10:41 AM CET

europeanspaceagency posted a photo:
Cydonia Mensae in 3D
This anaglyph image showing part of the Cydonia Mensae region of Mars, provides a 3D view of the landscape when viewed using stereoscopic glasses with red–green or red–blue filters. It was derived from data acquired by the nadir channel and one stereo channel of the High Resolution Stereo Camera on ESA’s Mars Express.

Credit:ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Copyright Notice:
Where expressly stated, images are licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform it, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as 'ESA/DLR/FU Berlin', a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication.

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