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Illustration of astronomy and physics, Stellar parallax is the apparent shift of position of any nearby star against the background of distant objects, galactic scale
Light year for Cosmic distances from planet Earth to Proxima Centauri. Speed of light. Astronomical unit. illustration. Vector poster
Light year for Cosmic distances from planet Earth to Sun. Speed of light. Astronomical unit. illustration. Vector poster
Kids height chart ruler with space planets, astronaut and rocketships, vector growth meter. Galaxy rocket shuttle or spaceship and spaceman with alien UFO on baby tall measure ruler or height chart
Light year distance and time measurement unit explanation outline diagram. Labeled educational scheme with scientific lunar and astronomical length vector illustration. Kilometers and miles comparison