Yes, you could definitely use a colon instead since you provide a set/list of alternatives to choose from. I can't really explain why you could use a comma as well but I think it's the simplest punctuation mark you can put there as one is certainly required.
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vcoltsShouldn't it be a colon instead?Yes.
AlpheccaStarsYes. Use a colon after an independent clause when it is followed by a list, a quotation, appositive, or other idea directly related to the independent clause. (See the rules for commas, semicolons, colons, etc. here: http://owl.english.purdue.edu/owl/resource/566/01