2015년 3월 8일 일요일

European Space Agency Flickr Update

04-03-2015 05:53 PM CET

europeanspaceagency posted a photo:
Montage of four single-frame images of Comet 67P/C-G
Montage of four single-frame images of Comet 67P/C-G taken by Rosetta’s Navigation Camera (NAVCAM) at the end of February 2015. The images were taken on 25 February (top left), 26 February (top right) and on two occasions on 27 February (bottom left and right). The images have been processed to bring out the details of the comet’s activity. The exposure time for each image is 2 seconds.

Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

More information and the original image via the blog: CometWatch 25-26-27 February: blogs.esa.int/rosetta/2015/03/04/all-round-activity-comet...

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/
04-03-2015 05:53 PM CET

europeanspaceagency posted a photo:
Comet on 27 February 2015 (b) – NavCam
This single frame Rosetta navigation camera image was taken from a distance of 101.7 km from the centre of Comet 67P/Churyumov-Gerasimenko on 27 February 2015. The 1024 x 1024 pixel image frame has a resolution of 8.7 m/pixel and measures 8.9 km across.

Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

More information and the original image via the blog: CometWatch 25-26-27 February: blogs.esa.int/rosetta/2015/03/04/all-round-activity-comet...

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/
04-03-2015 05:53 PM CET

europeanspaceagency posted a photo:
Comet on 27 February 2015 – NavCam
This single frame Rosetta navigation camera image was taken from a distance of 98.2 km from the centre of Comet 67P/Churyumov-Gerasimenko on 27 February 2015. The 1024 x 1024 pixel image frame has a resolution of 8.4 m/pixel and measures 8.6 km across.

Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

More information and the original image via the blog: CometWatch 25-26-27 February: blogs.esa.int/rosetta/2015/03/04/all-round-activity-comet...

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/
04-03-2015 05:53 PM CET

europeanspaceagency posted a photo:
Comet on 25 February 2015 – NavCam
This single frame Rosetta navigation camera image was taken from a distance of 81.9 km from the centre of Comet 67P/Churyumov-Gerasimenko on 25 February 2015. The 1024 x 1024 pixel image frame has a resolution of 7.0 m/pixel and measures 7.1 km across.

Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

More information and the original image via the blog: CometWatch 25-26-27 February: blogs.esa.int/rosetta/2015/03/04/all-round-activity-comet...

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/
04-03-2015 05:53 PM CET

europeanspaceagency posted a photo:
Comet on 26 February 2015 (b) – NavCam
This single frame Rosetta navigation camera image was taken from a distance of 87.1 km from the centre of Comet 67P/Churyumov-Gerasimenko on 26 February 2015. The 1024 x 1024 pixel image frame has a resolution of 7.4 m/pixel and measures 7.6 km across.

Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

More information and the original image via the blog: CometWatch 25-26-27 February: blogs.esa.int/rosetta/2015/03/04/all-round-activity-comet...

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/
04-03-2015 11:09 AM CET

europeanspaceagency posted a photo:
Lake Frome seen by Proba-V
ESA’s Proba-V minisatellite captures the rare sight of standing water in the arid south Australian outback.

Lake Frome, one of the whitest salt lakes in the southern hemisphere is visible to the right. Unusually, this 12 February image shows it filled with brackish water that has flowed down the creeks in the area, which are typically dry.

Covering most of this 100-m spatial resolution image are the ranges and gorges of Vulkathunha-Gammon Ranges National Park, haven to many rare and endangered plants and animals.

Launched in 2013, Proba-V is a miniaturised ESA satellite tasked with a full-scale mission: to map land cover and vegetation growth across the entire planet every two days.

Its main imager’s continent-spanning 2250 km swath collects light in the blue, red, near-infrared and mid-infrared wavebands – at 300 m spatial resolution and down to 100 m resolution in its central field of view.

VITO, the Flemish institute for technological research, processes and then distributes Proba-V data to users. VITO has a produced an online gallery highlighting some of the mission’s most striking images so far, including views of storms, fires and deforestation.

Credit: ESA/VITO
04-03-2015 09:55 AM CET

europeanspaceagency posted a video:
14 February close flyby image in wider context
Images from the OSIRIS scientific imaging camera taken during the close flyby on 14 February reveal the surface of Comet 67P/C-G in unprecedented detail, and include the shadow of the spacecraft. The image was taken from a distance of 6 km from the comet’s surface and has a resolution of 11 cm/pixel. It covers an area of 228 x 228 m and the shadow covers 20 x 50 m. The fade-through image shown here identifies the region on a wider view of the comet, taken by Rosetta's Navigation Camera (NAVCAM). Note that there are uncertainties in the distance to the surface and change in perspective between the images, making it difficult to match the images exactly in all places. The image is labelled to identify features that can be seen in both images.

For more information, see the blog: Comet flyby: OSIRIS catches glimpse of Rosetta's shadow

Credits: NAVCAM: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0;
OSIRIS: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

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