Today marks the third anniversary of the release of the most detailed images ever of the sizzling surface of the sun by NSF's new, groundbreaking Daniel K. Inouye Solar Telescope, or DKIST. This amazing instrument is the most powerful solar telescope in the world and ushers in a new era of solar science. Those first images were part of DKIST's initial verification phase; since then, it's been operating officially for nearly a year atop a volcanic mountain on the island of Maui on a site owned an

The sun's layers each have different temperatures. Here's how hot the star's surface and core are. #justcurious | USA TODAY