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APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 5:06 am
by APOD Robot
Layer Cake Sunset
Explanation: On January 18 a tantalizing sunset was captured in this snapshot.
Seemingly sliced into many horizontal layers the Sun shimmered moments before it touched the horizon, setting over the Pacific Ocean as seen from the
mountaintop Las Campanas Observatory in Chile. Pink hues of filtered sunlight were created by the long sight-line through the hazy atmosphere.
But the remarkable layers correspond to low atmospheric layers of sharply different temperature and density also along the line of sight. Over a long path through each layer the rays of sunlight
are refracted strongly and create different images or mirages of sections of the
setting Sun.
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Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 7:02 am
by Boomer12k
Awesome... So.... is that a "LENTICULAR" Sunset, then?
Pretty colors...
Rain now, windy... no stars to look at...
:---[===] *
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 8:21 am
by geckzilla
Boomer12k wrote:Awesome... So.... is that a "LENTICULAR" Sunset, then?
Pretty sure it's football-shaped.
*wishes Nitpicker was around*
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 9:44 am
by heehaw
Vegetable of the day: sliced tomato!
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 10:18 am
by ta152h0
is this a filtered image or is this what the eye can see ?
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 10:26 am
by RedFishBlueFish
This warm magnificence of setting sun gives pause at the edge of darkness of the coming night.
The sun set on the British Empire long ago, let one hope that today does not mark its setting on the American Republic.
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 12:14 pm
by orin stepanek
Looks like something Ann should have a response for!
Nice catch APOD!
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Fri Jan 20, 2017 3:18 pm
by Chris Peterson
ta152h0 wrote:is this a filtered image or is this what the eye can see ?
I imagine it's a pretty good visual representation, except for the degree of magnification. What you'd see through binoculars or a low power telescope, say... but otherwise accurate color and brightness.
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Sat Jan 21, 2017 3:33 pm
by bystander
Discussion of the APOD connection issue has been moved to
APOD NASA URL now starts with https.
Re: APOD: Layer Cake Sunset (2017 Jan 20)
Posted: Sat Jan 21, 2017 4:05 pm
by Ann
orin stepanek wrote:Looks like something Ann should have a response for!
Nice catch APOD!
Yes, I like it! Reminds me of a many-layered red velvet cake! Imagine there's a smiley
here!
Well, ummm... the Sun is red in the APOD, though. Wonder if there are any striped blue suns? And blue velvet cakes?
Ann
