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 by scraping the article page. It 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
