"My study was therefore intended to answer the question: What if your wish came true?" Inner four planets are especially vulnerable This "has been a source of frequent frustration" among the exoplanet community, Kane told in an email.
So they have a hard time understanding such worlds that are common in other solar systems, thanks to a lack of local data that would otherwise help them model compositions and other properties. They think our solar system does not have a super-Earth because Jupiter suppressed its formation when it migrated significantly toward the asteroid belt and back out again, during which it sent a lot of material onto the sun. NASA's exoplanet hunting missions such as Kepler and Transiting Exoplanet Survey Satellite ( TESS) have helped astronomers realize that such planets are surprisingly very common in the Milky Way: A third of all exoplanets are super-Earths.
In the last 25 years, however, it has quickly and firmly become an outlier for lacking its own super-Earth. Our solar system was long considered a template for all planetary systems. Related: Super-Earths: Exoplanets Close to Earth's Size
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