Finding new worlds
Chapter 1
The first discoveries
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Chapter 2
Shadows and wobbles
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Chapter 3
Extreme and bizarre worlds
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Chapter 4
The search for life
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YOUR GOAL
Master of Finding new worlds
Ch 1 · The first discoveries
teacher A star's subtle sway, way out far (Oh-oh, revealing a world!) Mayor and Queloz, a sight to see (Yeah, 51 Pegasi B!) A Hot Jupiter, close and bold (Oh-oh, stories untold!)
Fun Fact
Pulsar planets: The first discovered exoplanets orbit a dead star that blasts them with lethal X-rays every millisecond.
Glossary
exoplanet (noun)
A planet that orbits a star outside the solar system. In 1995, Michel Mayor and Didier Queloz discovered the first exoplanet orbiting a Sun-like star.
A planet that orbits a star outside the solar system. In 1995, Michel Mayor and Didier Queloz discovered the first exoplanet orbiting a Sun-like star.
Quiz
In 1992, astronomers discovered the first confirmed exoplanets orbiting what kind of dead star?
Quiz
Which two Swiss astronomers won the 2019 Nobel Prize in Physics for discovering the first exoplanet around a sun-like star?
Quiz
What name is given to massive gas giant planets that orbit extremely close to their parent stars?
Quiz
How long does it take the exoplanet 51 Pegasi b to complete one full orbit around its star?
Quiz
The pulsar PSR B1257+12, host to the first discovered exoplanets, is located in which constellation?
Quiz
Before the 1990s, what was the general scientific consensus regarding planets around other stars?