In the Milky Way galaxy, our solar is rather isolated. It exists alone, four light years from the nearest star.
Violent interactions, in which stars exchange energy, occur frequently, but not for long.
has just its planetary system to keep it company But it wasn't always this way.
We almost always detect young stars in groupings, known as stellar nurseries.
These stellar nurseries are densely crowded locations, with hundreds of thousands of stars often sharing the same volume of space as the sun.
Planetary systems form (opens in new tab) almost shortly after young stars are created.
Violent encounters between stars occur often, but only for a short time.
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