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
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