More information: Arbel Schorr et al, GJ 2126 b: A highly eccentric Jovian exoplanet, arXiv (2025). DOI: ...

However, the first exoplanet, and five more that followed ... surrounded either by varying amounts of hydrogen and helium ...

With the exception of Pluto, planets in our solar system are classified as either terrestrial (Earth-like) or Jovian (Jupiter-like) planets. Terrestrial planets include Mercury, Venus, Earth ...