Complex sentence: HD 148156 is a star slightly larger and hotter than the Sun 168 ± 7 light-years distant that was found to have a roughly Jupiter-size planet with an orbital period of 2.8 years.
Split into simpler sentences: HD 148156 is a star 168 ± 7 light-years distant. Slightly larger and hotter than the Sun, it was found to have a roughly Jupiter-size planet with an orbital period of 2.8 years.