Infinite
DiscoveriesHow big is the universe? Is it infinite or does it end?
Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth.
Joseph Shavit![](https://www.thebrighterside.news/uploads/2024/04/nsplsh_2c48e655384f48dc9ac48ab51b300044mv2-scaled.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth.
Joseph Shavit