The useful idea
- Beyond the Solar System
An exoplanet or extrasolar planet is a planet outside the Solar System.
- Found by transits
Transit photometry and Doppler spectroscopy have found the most, but these methods suffer from a clear observational bias favoring the detection of large planets close to the star.
- Habitable zones
There is special interest in planets that orbit in a star's habitable zone (sometimes called "goldilocks zone"), where it is possible for liquid water,
Why this matters
Look for Exoplanet the next time you notice this pattern in everyday life.
Try this
Look for Exoplanet the next time you notice this pattern in everyday life.
Test your recall
Which idea belongs to the explanation of Exoplanet?
- Beyond the Solar System — correct
- Found by transits
- Habitable zones
An exoplanet or extrasolar planet is a planet outside the Solar System.