diff --git a/EDUPiracyGuide.md b/EDUPiracyGuide.md
index f4e2ac70b..afdaa99e2 100644
--- a/EDUPiracyGuide.md
+++ b/EDUPiracyGuide.md
@@ -189,6 +189,8 @@
 * [AirVibe](https://www.airvibe.me/) - *Udemy Courses*
 * [Udemy Courses Rentry](https://rentry.co/ecg43) - *Udemy Courses*
 * [UdemyKing](https://t.me/udemyking1 ) - *Udemy Courses*
+* [CourseArray](https://coursearray.xyz/index.html) - *Udemy Courses / [Telegram](https://t.me/udemycoursesfree)*
+* [Tutorial Bar](https://www.tutorialbar.com/) - *Udemy Courses*
 * [Downloadr](https://downloadr.in/) - *Udacity & Udemy Courses*
 * [Free Udemy Vedantu Courses](https://t.me/Udemy_Courses_Vedantu_Free) - *Udemy Courses*
 * [UFC Gdrive Factory!](https://telegram.me/joinchat/SSWKbEf8mVNBvgam) - *Udemy Courses*
@@ -386,6 +388,7 @@
 * [1 Pixel moon](https://www.joshworth.com/dev/pixelspace/pixelspace_solarsystem.html) or [OMG SPACE](http://omgspace.net/) - *Solar System Scale Model*
 * [3DSolarSystem](https://theskylive.com/3dsolarsystem) - *Solar System Simulator* 
 * [The Planets](https://planets-facts-website.netlify.app/) - *Learn About Planets*
+* [Space Object Comparison](https://mr21.github.io/space-object-comparison/) - *Compare Sizes Of Celestial Objects*
 * [100,000 Stars](https://stars.chromeexperiments.com/) - *Interactive 3D Star Visualization*
 * [Aladin](https://aladin.u-strasbg.fr/) - *Astronomical Image Viewer / [Lite Version](https://aladin.u-strasbg.fr/AladinLite/)*
 * [Stellarium-Web](https://stellarium-web.org/) or [Stellarium](http://stellarium.org/) - *Virtual Stellarium*