I just found this article in the local news. Apparently a newly discovered solar system, has a rock type planet that is far enough away from it's star, that it should be a gaseous planet. It sounds like this is a first.
https://www.ksl.com/article/5144759...-solar-system-they-say-should-not-be-possible
https://www.ksl.com/article/5144759...-solar-system-they-say-should-not-be-possible