Your Child Can Still Be a Part of NAC 2025 - Even if Their School Isn't Participating!

The National Astronomy Challenge is open to all students in India & overseas. If your child's school isn't participating, you can register them directly and unlock the same opportunities, rewards, and recognition!

School not participating? Don’t worry – your child can still join!

Watch this video to learn how schools can register, generate their dedicated link, and share with their students to register.

NAC participants

NAC 2025 is Open to All Curious Minds!

Direct Registration: INR 500 | Overseas: USD 12 (Taxes extra)
bulletEligible Students: Grade 4 to Grade 9
bulletNo prior astronomy knowledge needed – just interest and passion
bulletOpen to all – students from any school, education board, or homeschoolers
bulletRequirements: A laptop with working mic and camera for the proctored Olympiad

Important To Know Before You Register

Eligibility:

If you apply directly and later your school decides to participate, your registration will be merged with the school’s.

Unique Registration:

Whether you participate directly or through your school, you will appear for only one exam, and your school will still be considered for evaluation.

WHAT HAPPENS AFTER YOU REGISTER?

Here's Your Child's NAC Journey

Instant Confirmation

STEP 1

Instant Confirmation

Email sent to your registered ID

Spacetopia access

STEP 2

Spacetopia access

Login details shared instantly after registration.

Learning access

STEP 3

Learning access

NAC study material, quizzes, and comics.

Exam login

STEP 4

Exam login

Secure access on exam day.

Results & rewards

STEP 5

Results & rewards

National ranking and prize announcement.

NAC 2025 STUDY MATERIAL

Get Ready with Spacetopia

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Curated videos, space facts, and interactive quizzes

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Grade-specific mock tests

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Space comics for fun learning

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Available instantly after registration

Spacetopia learning
NAC community

ENGAGEMENT ACTIVITIES

Stay Connected and
Engaged All Year

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Monthly space quizzes & challenges

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Live interactions with scientists

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December 2025 special NAC participant activities

EXAM PATTERN & FORMAT

Know the NAC 2025 Exam

TYPE:Multiple Choice Questions (MCQs)
TOTAL QUESTIONS:60
DURATION:60 minutes
NEGATIVE MARKING:25% for each wrong answer
QUESTION TYPES:
  1. Application-Based – Real-world scenarios & problem-solving
  2. Knowledge-Based – Core concepts & factual understanding
MODE:

Online through SHL – the world’s largest secured assessment platform

PREPARATION SUPPORT:
  1. Access to Mock Exams
  2. Sample Papers on Spacetopia
NAC Exam Group Photo
AWARDS & RECOGNITION

Rewards that Inspire Excellence

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Have a Question

Check our most common queries about NAC registration and participation.

Click Here For FAQs

Understand the Rules

Download the participation terms PDF.

Need Help?

Our team is here to assist schools and parents.

hello@nationalastronomy.org

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Email: hello@nationalastronomy.org

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