Syllabus of ISO 2025

PRELIMINARY LEVEL

The Earth

  • Structure of the atmosphere and its layers

  • Earth's orbit and axial tilt

  • Daily phenomena: Rising and setting of the Sun and other stars

  • Yearly phenomena: Seasonal variations

The Moon

  • Phases of the Moon

  • Tides and their relation to Moon and Sun

  • Formation of the Moon

The Solar System and Beyond

  • Sun and the planets – key features

  • Asteroids, comets, and dwarf planets

  • Our nearest stars

  • The Milky Way galaxy

  • Local Group of galaxies

  • Large-scale structure of the Universe

Measurements in Astrophysics

  • Distance measurements: Parallax, Standard candles

  • Velocity measurements: Doppler effect, red and blue shifts

  • Chemical composition: Spectroscopy and dispersion of light


INTERMEDIATE LEVEL

Astrophysics of Stars

  • Sun: Energy production (nuclear fusion), structure, and life cycle

  • Stellar evolution: From birth to death

  • High-mass star evolution: Supernovae, neutron stars, and black holes

Exoplanets

  • What are exoplanets?

  • Detection methods: Transit method, Radial velocity, Direct imaging, Microlensing

  • Habitable zones and types of exoplanets

Search for Extraterrestrial Intelligence (SETI)

  • Possibility of life beyond Earth

  • Methods of searching for extraterrestrial signals

  • Technosignatures and biosignatures

  • Drake Equation

Cosmology

  • Hubble’s Law and the expanding universe

  • The Big Bang theory

  • Cosmic Microwave Background (CMB) radiation

  • Dark matter and dark energy


FINAL LEVEL

Space Missions and Satellites

  • Types of space missions: Fly-by, Orbiter, Impactor, Lander, Rover, Sample return, Crewed missions – with key examples (e.g., Voyager, Mars rovers, Artemis, OSIRIS-REx)

  • Satellites:

    • By orbit (LEO, MEO, GEO, Polar, Sun-synchronous)

    • By use (Communication, Navigation, Weather, Scientific, Military) – with examples

Rocketry and Orbits

  • Newton’s Third Law of Motion and its application in rocketry

  • The Rocket Equation (Tsiolkovsky’s Equation)

  • Types of orbits and orbital maneuvers

  • Launch vehicles and propulsion types

Telescopes and Observatories

  • Types of telescopes: Optical, Radio, Infrared, X-ray, Gamma-ray

  • Classification based on observing wavelength and technology (reflecting, refracting, radio dishes, etc.)

  • Major space telescopes (Hubble, JWST, Chandra, Spitzer, etc.)

  • Ground-based observatories: VLT, ALMA, GMRT, etc.

  • Gravitational wave observatories: LIGO, Virgo

  • Neutrino observatories: IceCube, Super-Kamiokande

  • Cosmic ray observatories: Pierre Auger, HAWC

History of Space Exploration

  • General Timeline of Space Exploration

  • Overview of major space agencies: NASA, ESA, ISRO, Roscosmos, CNSA, JAXA

  • Space technology spinoffs and their applications on Earth

 


International Space Olympiad

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