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🪐 KNOW PRIMARY · AGES 6–11

PLANETS &
ASTRONOMY

🪐 From Tiny Rocks to Massive Giants — Our Solar System!

📖 8 Planets 🆓 FREE + PRO ⏱️ 5 min per comic 🧠 Quiz included
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THE SUN
Star center
→
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MERCURY
Hot & tiny
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VENUS
Hottest
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EARTH
Home sweet home
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MARS
Red planet
🌍 EARTH: OUR HOME IN SPACE
TOPIC 05 · PLANETS & ASTRONOMY · THE PERFECT PLANET · 1 YEAR = 365.25 DAYS
PAGE 1 OF 5 — EARTH'S POSITION AND SIZE
POSITION
Earth from space: the blue planet sitting in the Goldilocks zone as the third planet from the Sun
THIRD FROM THE SUN
Earth orbits between Venus and Mars, sitting in the "Goldilocks zone" — not too hot, not too cold! Our planet spins at a comfortable 0-1500 km/hour at the equator and completes one lap around the Sun every 365.25 days. Perfect conditions for life!
PERFECT!
SIZE
Earth size: 12,742 km in diameter, the perfect size to hold an atmosphere and support life
🌍 Diameter: 12,742 km
⚖️ The perfect size for life
DISTANCE
Earth orbit: 150 million km from the Sun, completing one full loop every 365.25 days
📍 150 million km from Sun
🔁 365.25 days per year
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