Worlds Without End
Just a few decades ago, we knew of only the planets orbiting our own Sun. Today, astronomers have confirmed thousands of planets circling other starsâsome scorching, some frozen, and a precious few that might just be habitable.
What you'll learn
- How scientists detect planets they can't directly see
- The different types of exoplanets, from hot Jupiters to super-Earths
- What makes a world potentially habitable and how we search for life
Why it's fun
Every exoplanet is a new world with its own story. This quiz turns you into a planet hunter, exploring the cutting edge of one of science's greatest adventures.
What to expect
What to expect
Twenty questions ranging from easy warm-ups to brain-stretching challenges. You'll cover detection methods, famous discoveries, and the science of habitabilityâwith a friendly explanation after every answer.
A few you'll face
- What was the first planet found around a Sun-like star?
- Which space telescope discovered thousands of exoplanets?
- What is the "habitable zone" around a star?
Take your time, trust your instincts, and enjoy the voyage to other worlds!
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