A UNIVERSE OF CHILDHOOD WONDER

Roborumb Encyclopedia Roborumb Encyclopedia Space Encyclopedia Space Encyclopedia
Shop Download Join the Club Read
Discover Something New

Space Encyclopedia

Explore space in simple words: how planets form, why stars shine, how rockets work and what lies inside black holes. Short, clear explanations and pictures bring big science to curious young minds.

THE UNIVERSE

  1. How the Universe Began
  2. How Old Is the Universe?
  3. Galaxies: Cities of Stars
  4. The Milky Way
  5. Our Galactic Neighbours
  6. The Laniakea Supercluster

STARS AND THEIR MYSTERIES

  1. All About Stars
    1. What Is a Star, and Why Does It Shine?
    2. How Are Stars Born, and How Do They Die?
    3. How Many Stars Are in the Sky?
    4. The Biggest Stars
    5. The Brightest Stars
    6. Supernovae: The Universe’s Most Brilliant Explosions
    7. Why Do Stars Twinkle but Planets Usually Don’t?
    8. What Colours Can Stars Be?
    9. The Most Beautiful Star Names
    10. Why Shooting Stars Aren’t Really Stars
    11. What Do Black Holes Have to Do with Stars?
  2. Constellations
    1. The Best-Known Constellations
    2. Who First Studied the Stars?
    3. How Did People Navigate by the Stars?
    4. Why Do We See Different Constellations?
    5. What Is a Horoscope?
    6. Astrologers, Astronomers and Astrophysicists: What’s the Difference?

PLANETS AND THEIR SECRETS

  1. All About Planets
    1. How Do Planets Form?
    2. Why Are Planets Different?
    3. Why Are Planets Round?
    4. What’s Inside a Planet?
  2. The Solar System
    1. Our Star, the Sun: Its Temperature, Composition and Corona
    2. How Big Is the Solar System?
    3. The Planets of Our Solar System
    4. A Fun Rhyme to Remember the Planets in Order
    5. The Solar Wind
    6. Solar Radiation and Solar Flares
  3. Tiny Mercury
  4. Dangerous Venus
  5. Our Beloved Earth
    1. Why Do We Have Day and Night?
    2. Why Do Seasons Change, and How Many Days Are in a Year?
    3. Has the Moon Always Been There? High and Low Tides
    4. Amazing Earth: The Northern Lights
    5. Amazing Earth: The Midnight Sun and Polar Night
    6. What Makes Life on Earth Possible?
  6. Mars, the Red Planet
  7. Giant Jupiter
  8. Saturn and Its Rings
  9. What Tipped Uranus on Its Side?
  10. Distant Neptune
  11. Poor Little Pluto
  12. The Most Fascinating Moons
  13. The Asteroid Belt and the Kuiper Belt
  14. The Oort Cloud

SPACE TRAVEL

  1. Humans in Space
    1. Who Went into Space First?
    2. Meet Yuri Gagarin!
    3. Who First Set Foot on the Moon?
    4. Spacecraft
    5. The International Space Station
    6. Cosmonauts and Astronauts: What’s the Difference?
  2. Astronauts
    1. How to Become an Astronaut: What to Study and Where to Train
    2. Careers in Space
    3. How Many People Have Been to Space?
    4. Life in Space: How Astronauts Work, Eat, Sleep and Use the Toilet
    5. How a Spacesuit Works
    6. Earth from Space: Real Photographs
  3. Weightlessness and Gravity
    1. Why Do Objects Float in Orbit?
    2. How Could We Create Artificial Gravity?
    3. What Are the Risks of Weightlessness?
  4. All About Rockets
    1. Who Designs Rockets?
    2. How Rockets Are Built
    3. How Do Rockets Lift Off?
    4. A Rocket Launch: Liftoff, Stages and Reaching Orbit
    5. Why Rockets Need Boosters

MYSTERIES OF SPACE

  1. Where Does Space Begin?
  2. Can Sound Travel Through Space?
  3. Could You Fall into a Black Hole?
  4. What Is a Light-Year?
  5. Exploring Space
    1. The Pioneers of Space Science
    2. How a Telescope Works
    3. Observatories and Planetariums
  6. Space Technology
    1. How Satellites Help Us: GPS and More
    2. Solar Panels
    3. Space Probes
    4. How Space Helps Us Forecast the Weather
    5. Space Telescopes
    6. The International Space Station
    7. Mars Rovers
    8. The Loneliest Spacecraft
  7. Objects in Space
    1. Comets and the Most Famous Comet of All
    2. Meteors, Meteorites and Meteoroids
    3. Asteroids and Planetoids
    4. Space Debris
  8. Dangers in Space
    1. Why Is Space Dangerous for Living Things?
    2. What Are the Greatest Dangers in Space?
    3. How Do Astronauts Stay Safe?
    4. Solar Radiation and Solar Flares
    5. The Solar Wind
  9. Is There Life Elsewhere in the Universe?
    1. What Is the Habitable Zone?
    2. Which Planets Might Be Like Earth?
    3. Why Haven’t We Found Aliens Yet?
  10. The Biggest Mysteries: Dark Matter and Dark Energy
  11. What Will We Discover Next? The Universe’s Unanswered Questions
  12. Why Science Begins with Imagination