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Earth Observatory IOTD Widget


Provides a simple sidebar widget to display NASA’s Earth Observatory Image of the Day and/or the RSS feed. Numerous options are available to display the content the way you want, including control on the image width and description.

The widget can also output just the RSS feed, providing links to previous images for up to the last 10 days (maximum available in feed).

Thumbnail images are cached to the plugin folder daily if needed, and the RSS feed is updated hourly.


[justified_image_grid preset=11 row_height=150 ids=”3197, 3198,3199″]

Download v1.0 >>> extract and upload to the plugins folder

Use the comments below for questions or suggestions.

11 comments to “Earth Observatory IOTD Widget”

  • Thomas, September 10, 2015 at 20:09

    Is is possible to use this for a simple html website

    • Henry, September 13, 2015 at 19:18

      With a little modification of the php code, I’m sure. The widget is simple and just pulls data from NASA’s RSS feed.

  • Sofija, April 26, 2014 at 23:14

    Hi, thanks for the great widget! Is it possible to remove “read more” or translate it on other language?

    • Henry, April 27, 2014 at 10:58

      Hi Sofija,

      You could add your own text by editing the eo_iotd.php file in the plugin folder…line 105 is the relevant section of code. If you send me the correct text for your language, I can look into adding translations for the plugin at a later date.

  • Barb Carlson, April 17, 2014 at 20:47

    I installed this on a different ISP and it worked great. But I tried putting it on the science fiction club’s page (on iPower) and I get this error:

    Warning: copy() [function.copy]: URL file-access is disabled in the server configuration in …/public_html/wp-content/plugins/earth-observatory-iotd-widget/eo_iotd.php on line 98

    Warning: copy(…/piqiang_ast_2005055_468_decorrelation_tn.jpg) [function.copy]: failed to open stream: no suitable wrapper could be found in …/public_html/wp-content/plugins/earth-observatory-iotd-widget/eo_iotd.php on line 98

    I changed permissions to 777 for the folders and that didn’t help.

    • Henry, April 18, 2014 at 10:44

      You could try changing these settings (from off to on) in the php.ini file:

      allow_url_fopen = On
      allow_url_include = On

      • Barb Carlson, April 18, 2014 at 15:07

        Thank you, Henry, for helping. You said, “You could try changing these settings (from off to on) in the php.ini file:”

        Where would that be located? The file manager search feature on iPower does not use wildcards or search subdirectories. I couldn’t find anything like that where the program is located, either.

  • Jerry Butler, September 16, 2013 at 15:53

    This site is just now being built. The widget looks great, but I’m having issues with the picture not coming up? Have you had this issue before? Is there a setting on my end that will fix this? It just comes up with a broken link to the picture.

    Thanks for your help.

    Jerry Butler

    • Henry, September 16, 2013 at 19:27

      The plugin saves thumbnails in the ‘cache’ folder (../wp-content/plugins/earth-observatory-iotd/cache) so as not to hotlink NASA’s images. I suspect they aren’t getting saved there, so try setting that folder’s permissions to 755 or 777.

  • bahad1r, August 8, 2013 at 01:52

    this is a very useful plugin. thanks a lot. would you ever consider doing anything else, so like that http://epod.usra.edu/

  • Shahab Khan, March 14, 2013 at 11:25

    Worked just perfect. Thank you.
    You can preview the website at: http://grsg.org.uk/