Search found 2 matches

by astrogimp
Mon Apr 05, 2010 6:35 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Belt of Venus over the Valley of... (2010 Apr 04)
Replies: 14
Views: 2753

Re: APOD: The Belt of Venus over the Valley of... (2010 Apr

According to Wikipedia, "Alpenglow (from German: Alpenglühen) is an optical phenomenon. When the Sun is just below the horizon, a horizontal red glowing band can sometimes be observed on the opposite horizon. Alpenglow is easiest to observe when mountains are illuminated but can also be observe...
by astrogimp
Sun Apr 04, 2010 8:11 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Belt of Venus over the Valley of... (2010 Apr 04)
Replies: 14
Views: 2753

Re: APOD: The Belt of Venus over the Valley of... (2010 Apr

If you are in the mountains the "Belt of Venus" is more commonly referred to as "alpenglow" and can turn both the low lying atmosphere and snow covered mountains opposite the sun pink; sometimes bright pink. As an aside, the is a great old book "Sunsets, twilights, and eveni...