EarthObservatoryHomepage by Clément Haëck

Change the homepage to the latest image from NASA Earth Observatory

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You'll need Firefox to use this extension

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About this extension

The high-resolution image is displayed in full width.
A small caption gives the title and links to the corresponding Earth Observatory article. Click to zoom-in, and click-drag to scroll around.

The latest entry information is found with the RSS feed. The high-resolution image url is found by scraping the article page. This is saved to local storage to speed subsequent accesses as much as possible.

Error on zoom: error in fetching the image may result in a blank screen when zooming, refreshing the cache should do the trick (Ctrl + F5 or Ctrl + Shift + R).

Disclaimer: this is amateur code, I barely know what I am doing

This is not affiliated with NASA.

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Release notes for 2.3

Add a dynamic maximum width to avoid zooming too much on low-res images
Add zoom and scroll by click/drag
Fix image selection (the small thumbnail would get selected everytime)
Performance: do not scrap article html if the info is already cached
Performance: do not load images when parsing xml/html

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