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Has a Star Ever Been Observed to Form Outside of a Nebula?

-- Loretta | January 27, 2020

Question:

Has any astronomer ever claimed to have witnessed a star being born in open space, OUTSIDE a nebula? I just wondered if it was possible.

-- Loretta

Answer:

To my knowledge, no.  Stars need gas and dust (and probably a few other things, like magnetic fields) to form, which one finds in dense nebulae.  I am not aware of an alternate explanation that does not involve these ingredients to the star formation process.

-- Jeff Mangum