الثقب الاسود

The black hole is an application that contains complete information about the ozone hole and how it is and what it is

The black hole is an application that includes complete information about the ozone hole. Some of the application features:

Types of black holes

Various facts about black hole

How is a black hole

Seeing a black hole

Causes of the ozone hole

Gases that cause ozone holes

An overview of the ozone hole

black hole pictures

Videos about the ozone hole

Black Hole is an application that works on all phones and tablets, and the content of the application speaks automatically

The black hole is an application that increases your knowledge of the secrets of the universe