Calculate the Angular Difference from of two Stars.

Astronomy and Astrophysics:

You are probably here to learn how to calculate the angular difference between two stars. I was once in your situation too, but after fe2 hours of reaearch i  got the solution. The first solutionnI got was from a book called “An Introduction to the modern Astroohysics, Carroll Ostlie”. And it was like,

I dont know if it was right or wrong but it didnt gave me the correct answer for me, but pretty much gives me the neraly right answer.

And then i sear hed for another formula in internet and then i came up with the formula of:

And this formula gave me the exact answer that i want.

And if you want to check your answer, here is a good website for you guys. Enjoy!!!

How to force uninstall a software in Windows?

Sometimes you install a game or a software and somehow it doesn’t or you don’t need anymore but right when you want to uninstall it, you can’t do it or you deleted some important files and then you are stuck up with that software in your control panel. If you have some kind of similar problem then use the following steps.

1. Press “Windows Key” + “r”

2. Then type “regedit

3. Now look for the softwares in the following folders.




or if you are using 64-bit, then also have a look in


Now after you find the software, that you want to delete then, delete by right clicking it.

PS: Make sure to take a backup before deleting anything from Windows Registry so that you can restore it later if something goes wrong. To take backup, right-click on the key which you are going to delete and select “Export“. It’ll save a .REG file containing the backup of that key.

PS2: Expert users can also find all occurrence of the key with the name of uninstalled software using “Ctrl+F” and delete them. You’ll have to be very cautious for it. Delete the key only if you are absolutely sure that the key was created by the uninstalled software.

Now you should be done!!!

Have fun! 🙂


GuruGorakhanath Vannni


12 steps to become a perfect Sishya in this life, explained by Param Pujaniya GuruDev Narayan Dutt Shrimali.

I took this video from and there are alot of videos of Pujaniya GuruDev and please subscribe “Ashish Sharma”. He has a good amount of video of Pravachan given by GuruDev!

Jai GuruDev!!!