Telescopic image of the sun with dark spots that resembles a smiling face

Coronal holes in the sun's atmosphere • (NASA/GSFC/SDO)

Image of a setting sun

Photo by Cristofer Maximilian on Unsplash

Astronomical image of the roiling surface of the Sun

The surface of the Sun as imaged by TRACE • NASA/LMSAL (Public Domain)

Satellite image of the roiling surface of the Sun

Mosaic image of the Sun provided by TRACE • NASA (Public Domain)

Photo of a sunrise with a twinge of green light visible at the top of the sun's disc

The green flash at sunrise • Photo by Luis Argerich (CC BY-NC 2.0)

Sequence of images recording a green flash at sunset

A green flash at sunset • Images by Brocken Inaglory (CC BY-SA 3.0)

Image of the green flash

The green flash at sunset • ESO/G. Lombardi (CC By 3.0)