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DPChallenge Forums >> General Discussion >> Is this photo real?
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Showing posts 1 - 22 of 22, descending (reverse)
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01/10/2006 08:18:31 PM · #1
It is not real.

First the north pole is a non-issue. The angle, with both the Sun and Moon near the horizon could be from just about anywhere on the Earth.

The real giveaway is the angular diameter of the Sun and the Moon. The two are very close at about a half a degree each. In this case the moon is much wider than the sun. This difference is much more than would ever occur in nature. You will never see the Moon appearing to be several times the size of the Sun - at least not from the Earth's surface - you have to get a lot close to the Moon for that to happen.

The second problem is that at the angular seperation of the two bodies shown in the image, and assuming the Moon's diameter is close to real you would not be able to see the Moon. There is just too much of the cresent Moon for the Sun to have illuminated it to the extent shown in the image.
01/10/2006 08:03:41 PM · #2
Just to add that there is a LOT of water at the North Pole. In fact, some explorers have found that when they got there, the ACTUAL North Pole at that moment in time was in the middle of the water, so they couldn't truly say they'd been to the absolute pole - bummer hey!
01/10/2006 07:59:06 PM · #3
It's already been covered, but it's definitely a render. The edge of the land against the sky looks like a very typical unprocessed Terragen image, and so do the black reflections of the land in the water.
01/10/2006 02:46:58 PM · #4
Originally posted by graphicfunk:

It is not real. For it to be convincing the sun must be on the opposite side. That is, the dark side or shadow of the earth must be lit from the front. here the sun is shinning at you and should be lighting the back and there is no way that backlighting can produce a well defined crest.


It would be tough for the shadow of the earth to appear on the moon, given that the sun and the moon are both in the sky, too and you are looking from the earth.
01/10/2006 02:10:44 PM · #5
Just to add my two cents about open water at the north pole. I've been very close (well within the arctic circle) and there is a far amount of open, navigatable water up there....maybe Santa's village slipped into the drink
01/10/2006 02:06:27 PM · #6
It is not real. For it to be convincing the sun must be on the opposite side. That is, the dark side or shadow of the earth must be lit from the front. here the sun is shinning at you and should be lighting the back and there is no way that backlighting can produce a well defined crest.
01/10/2006 01:53:36 PM · #7
Originally posted by nsbca7:


Actually there is open water in summer now at the North Pole. Several proposals have been put forth in the past few years to cross the North Sea across the North Pole using kayaks. Global warming is responsible for the lack solid summer ice.

But as far as the moon goes, I wouldn't think anyone would even have to ask.


You're right about the moon...I don't think anyone would even consider crossing IT in a kayak ! :-P
01/10/2006 01:38:03 PM · #8
Originally posted by _eug:

Originally posted by eqsite:

Obviously this is a fake, but just to pick nits:

Also, the orbit of the moon does vary quite a bit (I think by as much as 15 degrees) from the ecliptic (the path through the sky that the sun travels along), so it would be possible for the moon to appear above the sun by some small amount even in the North Pole.


True, but 90 degrees is no small amount.


True, but a 90 degree deviation would put the moon at the zenith (point directly overhead) which it clearly is not. It's still relatively low on the horizon.

Either way, not really worth arguing about since it's all fantasy anwyay.
01/10/2006 01:33:27 PM · #9
Originally posted by eqsite:

Obviously this is a fake, but just to pick nits:

Also, the orbit of the moon does vary quite a bit (I think by as much as 15 degrees) from the ecliptic (the path through the sky that the sun travels along), so it would be possible for the moon to appear above the sun by some small amount even in the North Pole.


True, but 90 degrees is no small amount.
01/10/2006 01:28:08 PM · #10
Obviously this is a fake, but just to pick nits:

The illumination on the moon is probably not too far off. The sun is below the moon, so it stands to reason that the angle of the terminator (the line between the day-side and night-side) would peek over the edge toward the observor.

Also, the orbit of the moon does vary quite a bit (I think by as much as 15 degrees) from the ecliptic (the path through the sky that the sun travels along), so it would be possible for the moon to appear above the sun by some small amount even in the North Pole.

Sorry for the interruption -- please continue now with your normal lives :)
01/10/2006 01:27:54 PM · #11
Originally posted by p3wiz:

Originally posted by KarenNfld:

It doesn't look real to me, just wondering. It is supposed to be sunset at the North Pole.

//tinypic.com/k15820.jpg


I don't think there is any open water at the north pole. Also, I don't see Santa's village.


Actually there is open water in summer now at the North Pole. Several proposals have been put forth in the past few years to cross the North Sea across the North Pole using kayaks. Global warming is responsible for the lack solid summer ice.

But as far as the moon goes, I wouldn't think anyone would even have to ask.

Message edited by author 2006-01-10 13:28:58.
01/10/2006 01:18:25 PM · #12
(eqsite already appearant mentioned size)

Lets look at this from an astrophysical standpoint. The earth revolves around the sun and the moon revolves around the earth. However, from the earth viewpoint, the moon and sun OCCUR to revolve around the earth (hence it was once believed that they did just that).

With that in mind the moon and sun OCCUR to revolve around the equator plus or minus the angle of the earths tilt. An image lined up like this will happen only in the lower (closer to the equator) regions of the globe.

If this were really a shot from the north pole, the moon and sun would have to be beside each other on the horizon. Neither the sun or the moon cross directly overhead at the poles.
01/10/2006 10:56:01 AM · #13
What's more, it seems to lack logic. How can the shadow side of the moon be illuminated? The sun is on the other side.
Nonetheless, a nice CGI.
01/10/2006 10:49:19 AM · #14
Looks like a 3D render to me. The water looks fake. And what the hell is that, the moon? Impossible shot. Unless this was taken on a different planet far far away ;-)
01/10/2006 10:48:27 AM · #15
oooh, I do like it though, real or not. Very Sci-Fi channelish.
01/10/2006 10:47:23 AM · #16
Originally posted by KarenNfld:

It doesn't look real to me, just wondering. It is supposed to be sunset at the North Pole.

//tinypic.com/k15820.jpg


I don't think there is any open water at the north pole. Also, I don't see Santa's village.
01/10/2006 10:47:20 AM · #17
What eqsite said, plus the fact that the north pole is likely an all-ice landscape.
01/10/2006 10:43:22 AM · #18
Looks like a 3D render to me. Nothing is "real" if by that you mean "captured with a digital camera".
01/10/2006 10:43:15 AM · #19
I'll second that, there's no way this is real. The landscape looks like it's been created in Bryce. It smacks of CGI.
01/10/2006 10:35:04 AM · #20
Assuming that's supposed to be the moon and the sun, there is no way that it can be real. The moon is approximately the same apparent size in the sky as the sun. That's why full solar eclipses can take place. However, I will agree that it is a very nice image, nonetheless.
01/10/2006 10:31:19 AM · #21
real or not it looks good...
cant tell if it is real or not tho
01/10/2006 10:28:17 AM · #22
It doesn't look real to me, just wondering. It is supposed to be sunset at the North Pole.

//tinypic.com/k15820.jpg
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