April 25, 2021. Or, at least high energy electrons streaming down through our thermosphere exciting oxygen atoms and molecular nitrogen that spontaneously de-excite giving off those wonderful green and pink photons! Temperature: 32°F (0°C) | Sunrise: 5:37 am | Sunset: 10:02 pm
Jupiter and Venus shining bright after sunset as twilight takes over on a cold, cold night on Murphy Dome. The "blue hour" lasts a very long time in the interior of Alaska for most of the fall, winter, and spring.
Crevasses under an unnamed mountain over the Loket Tributary to the Black Rapids Glacier in the Alaska Range.