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Do you have a question about physics or astronomy? We may be able to answer.

Send your question to: spoerg-IFA@phys.au.dk under the subject 'Spørg IFA'.

We will return our answer via e-mail. Some of the answers will also be published on this web page. Before writing to us, see if we have already answered your question in the column the left.

If you ask in English we'll answer in English.