Chapter 1
Einstein's wild prediction
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Chapter 2
The ultimate measuring sticks
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Chapter 3
The day the universe trembled
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Chapter 4
The future of wave hunting
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YOUR GOAL
Master of Ripples in spacetime
Ch 4 · The future of wave hunting
artiteacher The future of wave hunting
We're hunting ripples in space! (Oh yeah, in deep space!) / A laser triangle finding their trace! (Ooh-ooh, finding their trace!)
Fun Fact
LISA's massive scale: While Earth-based LIGO's arms are 4 kilometers long, the space-based LISA detector will have arms stretching 2.5 million kilometers through space.
Glossary
interferometer (noun)
An instrument that uses the interference of light waves to measure extremely small distances. Planned for launch in 2035, a space-based observatory will use lasers to measure cosmic ripples.
An instrument that uses the interference of light waves to measure extremely small distances. Planned for launch in 2035, a space-based observatory will use lasers to measure cosmic ripples.
Quiz
What mysterious cosmic substance might be explained by studying primordial black holes with waves?
Quiz
What cosmic event happened 380,000 years after the Big Bang that finally allowed light to travel?
Quiz
What type of rapidly spinning star is used as a natural galactic clock to detect waves?