⏰ POST REMINDER
📅 Submission Deadline: 17 April 2026 (23:59 UTC+0)
📅 Result Published: 4 May 2026
⚠️ After submitting, check email and click CONFIRM button.
📅 Result Published: 4 May 2026
⚠️ After submitting, check email and click CONFIRM button.
1. What is IAAC?
The International Astronomy and Astrophysics Competition (IAAC) is a global online competition for students. It tests knowledge of stars, planets, galaxies, orbits, spectra, and cosmology through creative problem-solving and real-world research.
Vision: Educating and Encouraging Students for Science and Astronomy.
Unique features (from official flyer): Internationality, digital accessibility, experimental problem formats, real-world research problems, adjusted difficulty levels, online tools for teachers, ambassador program, and supportive alumni network.
2. Who Can Participate?
📚 Current high school and university students from all countries are eligible.
Three age groups (based on grade/age on 17 April 2026):
• Junior: 10th grade and below (and under 16 years)
• Youth: 11th to 13th grade (and under 19 years)
• Senior: 1st year college/university and higher (or 19 years and above)
Note: Your age/grade on the submission deadline determines your group for the entire competition.
Three age groups (based on grade/age on 17 April 2026):
• Junior: 10th grade and below (and under 16 years)
• Youth: 11th to 13th grade (and under 19 years)
• Senior: 1st year college/university and higher (or 19 years and above)
Note: Your age/grade on the submission deadline determines your group for the entire competition.
3. Competition Structure
🔵 1. Qualification Round (FREE)
• 5 problems: Knowledge, Calculation, Research
• Each problem gives 5 points
• Everyone receives a participation certificate
• Qualifying scores for Pre-Final Round: 15 (Junior) / 17 (Youth) / 20 (Senior) points
• Submission deadline: 17 April 2026
• 5 problems: Knowledge, Calculation, Research
• Each problem gives 5 points
• Everyone receives a participation certificate
• Qualifying scores for Pre-Final Round: 15 (Junior) / 17 (Youth) / 20 (Senior) points
• Submission deadline: 17 April 2026
🟠 2. Pre-Final Round
• 60-minute supervised exam with 3 problems (1 Basic, 1 Advanced, 1 Research)
• Research paper released 29 May 2026
• Exam window: 31 May – 2 June 2026
• Registration required (13 EUR – financial aid available)
• Registration deadline: 26 May 2026
• 60-minute supervised exam with 3 problems (1 Basic, 1 Advanced, 1 Research)
• Research paper released 29 May 2026
• Exam window: 31 May – 2 June 2026
• Registration required (13 EUR – financial aid available)
• Registration deadline: 26 May 2026
🔴 3. Final Round
• Online exam with ~30 questions (short answer & multiple choice)
• Takes about 30 minutes
• Digitally supervised (can be taken from home)
• Exam day: 30 June 2026
• Online exam with ~30 questions (short answer & multiple choice)
• Takes about 30 minutes
• Digitally supervised (can be taken from home)
• Exam day: 30 June 2026
4. Prizes & Awards
🥇 Senior Category:
• 1st Prize: $250 Cash + Telescope + Special Certificate
• 2nd Prize: $175 Cash + Special Certificate
• 3rd Prize: $125 Cash + Special Certificate
🥈 Youth Category:
• 1st Prize: $200 Cash + Telescope + Special Certificate
• 2nd Prize: $150 Cash + Special Certificate
• 3rd Prize: $100 Cash + Special Certificate
🥉 Junior Category:
• 1st Prize: $175 Cash + Special Certificate
• 2nd Prize: $125 Cash + Special Certificate
• 3rd Prize: $100 Cash + Special Certificate
🏅 Additional Awards:
• National Awards (top 3 from each country with ≥50% in Final Round)
• Bronze, Silver, Gold Honours for Finalists
• Official Participation Certificate for ALL participants
• Special Honour on certificate for digital submissions (e.g., TeX)
• 1st Prize: $250 Cash + Telescope + Special Certificate
• 2nd Prize: $175 Cash + Special Certificate
• 3rd Prize: $125 Cash + Special Certificate
🥈 Youth Category:
• 1st Prize: $200 Cash + Telescope + Special Certificate
• 2nd Prize: $150 Cash + Special Certificate
• 3rd Prize: $100 Cash + Special Certificate
🥉 Junior Category:
• 1st Prize: $175 Cash + Special Certificate
• 2nd Prize: $125 Cash + Special Certificate
• 3rd Prize: $100 Cash + Special Certificate
🏅 Additional Awards:
• National Awards (top 3 from each country with ≥50% in Final Round)
• Bronze, Silver, Gold Honours for Finalists
• Official Participation Certificate for ALL participants
• Special Honour on certificate for digital submissions (e.g., TeX)
5. How to Participate (Step by Step)
2 Solve the 5 Problems
Handwrite or type your answers clearly. Typed solutions (e.g., using TeX) receive a special honour on your certificate.
Handwrite or type your answers clearly. Typed solutions (e.g., using TeX) receive a special honour on your certificate.
3 Create a PDF File
✅ Allowed: PDF, JPG, JPEG, PNG
❌ NOT allowed: DOC, DOCX, ZIP
How to make a PDF (free & safe):
• Multiple photos? Use "Google Drive" (Scan feature) or "Microsoft Lens" app
• Word file? Click File → Save as PDF (built-in feature)
• File too big? Use "Smallpdf" or "ILovePDF" (search on Google)
✅ Allowed: PDF, JPG, JPEG, PNG
❌ NOT allowed: DOC, DOCX, ZIP
How to make a PDF (free & safe):
• Multiple photos? Use "Google Drive" (Scan feature) or "Microsoft Lens" app
• Word file? Click File → Save as PDF (built-in feature)
• File too big? Use "Smallpdf" or "ILovePDF" (search on Google)
4 Submit Your Answers
👉 Use this ambassador link: https://iaac.space/amb/mohali
Fill in correctly (this info appears on your certificate):
• Full Name (not all caps: John Henry, not JOHN HENRY)
• Date of Birth
• Country & City
• Email (check spam folder)
• Password (min 8 characters)
• School/University Name (write exactly as you want it on your certificate)
• Current Grade/Year (as of 17 April 2026)
👉 Use this ambassador link: https://iaac.space/amb/mohali
Fill in correctly (this info appears on your certificate):
• Full Name (not all caps: John Henry, not JOHN HENRY)
• Date of Birth
• Country & City
• Email (check spam folder)
• Password (min 8 characters)
• School/University Name (write exactly as you want it on your certificate)
• Current Grade/Year (as of 17 April 2026)
5 Confirm Your Submission (IMPORTANT)
✅ After clicking SUBMIT, check your email immediately.
✅ Click the CONFIRM button inside the IAAC email.
❌ No confirmation = No certificate.
✅ After clicking SUBMIT, check your email immediately.
✅ Click the CONFIRM button inside the IAAC email.
❌ No confirmation = No certificate.
6. Important Dates 2026
Qualification Round:
• Submission Deadline: 17 April 2026 (23:59 UTC+0)
• Results Announced: 4 May 2026
Pre-Final Round (for those who qualify):
• Registration Deadline: 26 May 2026
• Research Paper Released: 29 May 2026
• Exam Submission Deadline: 2 June 2026
• Results Announced: 15 June 2026
Final Round:
• Exam Day: 30 June 2026
• Results Announced: 6 July 2026
• Submission Deadline: 17 April 2026 (23:59 UTC+0)
• Results Announced: 4 May 2026
Pre-Final Round (for those who qualify):
• Registration Deadline: 26 May 2026
• Research Paper Released: 29 May 2026
• Exam Submission Deadline: 2 June 2026
• Results Announced: 15 June 2026
Final Round:
• Exam Day: 30 June 2026
• Results Announced: 6 July 2026
7. Frequently Asked Questions
▶ Is the Qualification Round really free?
Yes. The Qualification Round is completely free. Everyone who submits correctly receives a certificate. The Pre-Final Round costs 13 EUR, but financial aid is available for those who need it.
▶ Do I get a certificate even if I don't qualify for the next round?
Yes. All participants in the Qualification Round receive an official participation certificate regardless of their score. Finalists receive Bronze, Silver, or Gold Honours. Prize winners receive special certificates.
▶ Will I receive a hard copy of my certificate?
Hard copies are sent only to 1st, 2nd, and 3rd Prize winners. All other participants receive a digital (soft copy) certificate with a permanent verification ID at https://iaac.space/verify
▶ What file types are accepted?
Only PDF, JPG, JPEG, PNG. No Word files (.doc, .docx) and no ZIP files.
▶ How do I combine multiple photos into one PDF?
Use Google Drive (Scan feature) or Microsoft Lens app – both are free and safe.
▶ My PDF is too large. What do I do?
Search for "Smallpdf" or "ILovePDF" on Google – free compression tools.
▶ How should I write my name?
Write correctly: John Henry (not JOHN HENRY). This appears exactly on your certificate. Double-check before submitting!
▶ I submitted but didn't get a confirmation email.
Check your spam/junk folder. Wait 10-15 minutes. If still nothing, resubmit using a different email address.
▶ What topics are covered?
Solar system, stars, galaxies, orbits, spectra, temperature, basic cosmology, and real-world research problems in later rounds.
▶ What if I miss the deadline?
Wait for the next IAAC round (usually every few months). But don't wait – submit before 17 April 2026.
▶ Can I change my name or details after submission?
No. Double-check before submitting. The name you enter appears exactly on your certificate.
▶ Do I have to be a student to participate?
Yes. You must be a student in high school, college, or university. If you are on a gap year but plan to start university soon, you are also eligible.
8. Critical Reminder
⚠️ AFTER SUBMITTING, YOU MUST CONFIRM YOUR EMAIL.
Open the email from IAAC and click the CONFIRM button. Without this step, your submission is incomplete and you will NOT receive a certificate.
Open the email from IAAC and click the CONFIRM button. Without this step, your submission is incomplete and you will NOT receive a certificate.
9. Support This Work
"Want to support my work as an IAAC ambassador? Submit your solutions through my unique ambassador link:
https://iaac.space/amb/mohali
It takes you to the same official submission system – IAAC just knows you came through my page. Thank you!"
Official submission page (no ambassador support):
https://iaac.space/en/submission
https://iaac.space/amb/mohali
It takes you to the same official submission system – IAAC just knows you came through my page. Thank you!"
Official submission page (no ambassador support):
https://iaac.space/en/submission
10. Useful Links
🌐 Official Website: https://iaac.space
📄 Official Information Flyer (PDF): https://iaac.space/docs/IAAC_Flyer.pdf
📚 Training Problems: https://iaac.space/training
🔑 Participant Login (check results & certificates): https://iaac.space/login
✅ Certificate Verification: https://iaac.space/verify
🆘 Support & Financial Aid: https://iaac.space/support
📧 Contact Email: info@iaac.space
📘 Facebook: https://www.facebook.com/iaac.space
📄 Official Information Flyer (PDF): https://iaac.space/docs/IAAC_Flyer.pdf
📚 Training Problems: https://iaac.space/training
🔑 Participant Login (check results & certificates): https://iaac.space/login
✅ Certificate Verification: https://iaac.space/verify
🆘 Support & Financial Aid: https://iaac.space/support
📧 Contact Email: info@iaac.space
📘 Facebook: https://www.facebook.com/iaac.space
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