I need help!!can i go to a 4 year college during high school or a jr college?

im just starting high school and ive been thinking of going to sierra college,which is a jr college right? i have good grades,and i was wondering if i could go to a 4 year college i also really need to know if going to sierra will benefit my hopeful future career as an astronomer or astrophysicist. i want to do... show more im just starting high school and ive been thinking of going to sierra college,which is a jr college right?
i have good grades,and i was wondering if i could go to a 4 year college
i also really need to know if going to sierra will benefit my hopeful future career as an astronomer or astrophysicist. i want to do this during highschool,school hasnt started just yet and i havnt been able to tell my consuler yet.
does anyone have any expierence on were to work for such jobs??

thank you!
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