The invisible universe
Chapter 1
The mystery of missing mass
View / Create
Answer
Chapter 2
Mapping the invisible
View / Create
Answer
Chapter 3
The runaway cosmos
View / Create
Answer
Chapter 4
The ultimate fate of the universe
View / Create
Answer
YOUR GOAL
Master of The invisible universe
Ch 2 · Mapping the invisible
Fun Fact
Cosmic magnifying glass: Gravitational lensing can stretch a distant, circular galaxy into a perfect glowing ring called an Einstein Ring.
Glossary
gravitational lensing (noun)
The bending of light from a distant cosmic source as it passes through the gravitational field of a massive object. In 2026, researchers used this technique to map the universe's dark matter scaffolding across the constellation Sextans.
The bending of light from a distant cosmic source as it passes through the gravitational field of a massive object. In 2026, researchers used this technique to map the universe's dark matter scaffolding across the constellation Sextans.
Quiz
Which famous 2006 galaxy cluster collision provided direct proof that dark matter exists separately from gas?
Quiz
Which space telescope, launched in 2023, was specifically designed to map the dark universe?
Quiz
What is the name of the vast, web-like structure of dark matter that spans the entire universe?
Quiz
Why are dark matter detectors like LUX-ZEPLIN built deep underground in abandoned mines?
Quiz
What material do underground dark matter detectors like LUX-ZEPLIN use to catch colliding dark matter particles?
Quiz
What phenomenon occurs when the gravity of dark matter bends light from a distant galaxy like a lens?