Thuh Orion Arm Our Hohm Spiral Arm


Thuh NeksT TeksT Wuhz Fruhm:

Emile de Groot
Answered Mar 18, 2019

At a radius of 2000 light years it is estimated there are roughly 80 million stars.

The Orion Arm is roughly 10,000 light years long and almost 4000 ly across.

A very rough estimate would be somewhere around 800 million stars.

There might very well be a lot more stars near the major arms. The number is likely higher.