Exploding, green 'devil comet' could photobomb April 8 total solar eclipse -- and it might be visible with the naked eye

Comet 12P/Pons-Brooks, also known as the "devil comet," will be positioned close to the sun during the April 8 total solar eclipse. Some photographers also predict that the volcanic comet may be visible to the naked eye, especially if it blows its top before the big event.