Titanium Clouds Make This Exoplanet Shine Like a Mirror

Titanium Clouds Make This Exoplanet Shine Like a Mirror

Astronomers have found a very unusual exoplanet. It’s a Neptune-sized world that orbits its star every 19 hours, and it’s the brightest exoplanet ever discovered. They are still learning about this world, which is a challenge because at first glance the planet shouldn’t exist. Planets don’t visibly shine with their own light. When we talk about how bright a planet is, we’re really talking about the fraction of light the planet reflects, known a…