Astronomy Calendar for celestial events

Replaces the "New Tab" with an interactive calendar and background space images - Created and taken by Maroun Habib / Moophz

Astronomy Calendar for celestial events is available to install from Firefox Browser Add-ons and for download from this page. It has 20 active users The latest version is 1.40, and it was published 21 days ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Astronomy Calendar for celestial events here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
1.40 XPI · ZIP · Source code 20.55M 0 2025-01-01
1.30 Paid users only 24.95M 0 2024-01-01
1.22 Paid users only 24.01M 0 2022-12-28
1.21 Paid users only 19.92M 0 2022-01-03

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the Astronomy Calendar for celestial events ZIP file from step 1. Astronomy Calendar for celestial events is now installed on your browser.