exoplanet

A gas giant exoplanet has been discovered with twice the density of Earth

A gas giant exoplanet has been discovered with twice the density of Earth

A newly weighed exoplanet has left astronomers deeply perplexed. After taking measurements on a very young, Jupiter-sized exoplanet named HD-114082b, scientists found that its properties don’t exactly match either of the two popular models of gas giant planet formation. In short, it is much too heavy for its age. “Compared to currently accepted models, HD-114082b …

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What is a medium exoplanet?  ESA's next ARIEL mission should provide answers

What is a medium exoplanet? ESA’s next ARIEL mission should provide answers

Artist’s impression of Ariel en route to Lagrange 2 (L2) point. Here the spaceship is shielded … [+] from the Sun and has a clear view of the whole sky. ESA/STFC Espace RAL/UCL/Europlanet-Science Office Five thousand extrasolar planets detected and counting, we still don’t have a standard model of the full range of planets circling …

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