A-1539 is actually a terrestrial planet, not a gas giant. Because A-1539's atmosphere is very thick, close to a gas giant's atmosphere, it looks like a gas giant. A-1539-1 instances are evolved to withstand the pressure inside this planet.
Inside A-1539, you can hear loud screaming that reaches up to 395 dB. This is coming from the environment and the wind itself. The more you go in, the louder this ambience.
