SYFY WIRE Explore The LatestMoviesTVGamesComicsInterviewsBad Astronomy All Posts Tagged Planets Mea culpa: Planet definitions and Earth clearing its orbit Would Earth still be considered a planet if it were out in Neptune’s orbit? By Phil Plait | 1 month ago JWST sees carbon dioxide in the atmosphere of an exoplanet for the first time Discovery of CO2 hints at bigger ones to come. By Phil Plait | 3 months ago BepiColombo’s second date with Mercury A second swingby at the solar system’s smallest planet. By Phil Plait | 4 months ago Earth’s core is speeding up and slowing down Go home, Earth’s core. You’re drunk. By Phil Plait | 5 months ago A lack of wind keeps a dull haze layer around Uranus Uranus is very similar to Neptune, but looks very different. By Phil Plait | 5 months ago The solar system is really messed up (and it might mean Planet 9 exists) Blame it on gravity. By Elizabeth Rayne | 6 months ago Ceres may be an invader from the outer solar system It’s the largest world in the asteroid belt, but it may not have been born there. By Phil Plait | 7 months ago Uranus got its moons when a big rocky planet whacked it. Maybe. Planet-on-planet giant impact may explain a lot of weirdness with Uranus. By Phil Plait | 8 months ago Planets might still be able to crawl out of dying stars It's not zombification, but it kind of is. By Elizabeth Rayne | 9 months ago We live in a star system more alien than most The way that our solar system was shaped by pressure bumps and rings made it unusual in more than one way. By Elizabeth Rayne | 10 months ago Load More
Mea culpa: Planet definitions and Earth clearing its orbit Would Earth still be considered a planet if it were out in Neptune’s orbit? By Phil Plait | 1 month ago
JWST sees carbon dioxide in the atmosphere of an exoplanet for the first time Discovery of CO2 hints at bigger ones to come. By Phil Plait | 3 months ago
BepiColombo’s second date with Mercury A second swingby at the solar system’s smallest planet. By Phil Plait | 4 months ago
Earth’s core is speeding up and slowing down Go home, Earth’s core. You’re drunk. By Phil Plait | 5 months ago
A lack of wind keeps a dull haze layer around Uranus Uranus is very similar to Neptune, but looks very different. By Phil Plait | 5 months ago
The solar system is really messed up (and it might mean Planet 9 exists) Blame it on gravity. By Elizabeth Rayne | 6 months ago
Ceres may be an invader from the outer solar system It’s the largest world in the asteroid belt, but it may not have been born there. By Phil Plait | 7 months ago
Uranus got its moons when a big rocky planet whacked it. Maybe. Planet-on-planet giant impact may explain a lot of weirdness with Uranus. By Phil Plait | 8 months ago
Planets might still be able to crawl out of dying stars It's not zombification, but it kind of is. By Elizabeth Rayne | 9 months ago
We live in a star system more alien than most The way that our solar system was shaped by pressure bumps and rings made it unusual in more than one way. By Elizabeth Rayne | 10 months ago
