New answers tagged

5

We do not yet know whether our solar system is a common or rare outcome of the planetary process. The statistical properties of exoplanetary systems are severely affected by observational biases. It is far easier to detect close-in giant planets; objects like Saturn, at Saturn-like distances from their host star, have not been found due to the limitations ...


1

A uniform disk has been subtracted to better show the fine banded structure on the planet. This means the surface of the planet is far brighter (in the raw data) than the surrounding magnetosphere. The planet itself has been darkened considerably in the image, otherwise it would be a pale circle and show little or no detail. The press release from the VLA'...


26

But why can't Jupiter be a Y Dwarf who is in the binary relationship with the Sun? There are two reasons: One is that Jupiter is too small to have ever undergone fusion of any sort. To qualify as a brown dwarf, an object needs to be large enough to have undergone deuterium fusion in its core. This requires a mass of at least 13 Jupiter masses. The other is ...



Top 50 recent answers are included