Our milky way is 100 thousand light years across and contains approximately 100 billion stars. Now thats quite a massive number.

But have you ever what is the size of the smallest galaxy that we have discovered so far?

This galaxy named Segue 2 and it is so small that it only contains a ~1000 stars spanning about 200-300 light years across.

Infact if you compared the size of Segue 2 with Milky it only amounts to 0.3 % of its size.

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