The Sun's core is millions of degrees, while the solar surface is a balmy 5800 kelvin. But travel to the Sun's outer atmosphere, the corona, and it heats up to millions of degrees again. The corona is a wispy plasma envelope extending millions of miles above the Sun's surface. Why the tenuous atmosphere above the sun is hotter than the actual surface has remained a mystery. One generic explanation has been that magnetic fields must be involved, but getting beyond this superficial understanding has required more detailed observations.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
Vision Pro is here and it’s a surprisingly capable device. Apple has also loaded the headset with a ton of options and features that aren’t obvious at first glance.
Apple announced that its Major League Soccer Season Pass (through Apple TV) will include new immersive video content covering the 2023 playoffs. Apple TV is the exclusive provider of online Major League Soccer broadcasts via the MLS Season Pass subscription.
