Invitation to AC2016

Dear all,

We are pleased to invite you to take part in AstroChallenge 2016, Singapore’s largest astronomy competition! Prospective participants may view the Invitation Letter and peruse past papers here.

To aid preparation, we have also included a set of guidelines about the content of AstroChallenge, as well as the full syllabus. Should you have any enquiries, please email us at

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