# DIY: Testing Earth's curvature. Clear assumptions, proposition of two experiment.

**URL:** <https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [February 23, 2014, 5:11pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023 "2014-02-23T17:11:14Z")\
**Posts on this page:** 20\
**Page:** 3

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**Author:** ![Yeticus\_Rex](https://avatars.discourse-cdn.com/v4/letter/y/a698b9/32.png) [@Yeticus\_Rex](https://boards.straightdope.com/u/Yeticus_Rex)\
**Post date:** [March 14, 2014, 9:03pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/41 "2014-03-14T21:03:18Z")

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> [@Twoflower](#):
>
> That would certainly explain the insistence on reading articles and viewing videos, instead of offering an explanation to defend his position.

This is typical among those who claim to be “enlightened” (who didn’t do well in their sciences and math curriculum) to all of a sudden know that alternative viewpoints are more acceptable without proof except in the form of youtube videos that they believe to be “truth” and that the current scientific method is a perpetual tool of control of how we think as humans. Whether these alternative viewpoints are fueled by creationists, apocalyptic christians, new-age pinal gland 5th dimensionists, they all seem to make outlandish claims and accept them as truth which fail to stand up on their own to reality, but instead try to gain traction by citing quite convoluted terms/expressions and dance around the rigeurs of proof.

The fearmongering is like a flame to the moths to get youtube views and advertising money.

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**Author:** ![karol](https://avatars.discourse-cdn.com/v4/letter/k/977dab/32.png) [@karol](https://boards.straightdope.com/u/karol)\
**Post date:** [April 18, 2014, 7:34am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/42 "2014-04-18T07:34:27Z")

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Nope, I don’t get a single penny for this.

[http://www.lizdraman.com/wp-content/uploads/2014/03/img213e86e3zikbzj.jpeg](http://www.lizdraman.com/wp-content/uploads/2014/03/img213e86e3zikbzj.jpeg)

Try to explain this full moon next to sun.  
The official explanation of the moon phases is a lie. But don’t you want to believe in lies ?  
The next article about the moon will make you mad, it will be like a headshot.

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**Author:** ![Lord\_Feldon](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lord_feldon/32/341_2.png) [@Lord\_Feldon](https://boards.straightdope.com/u/Lord_Feldon)\
**Post date:** [April 18, 2014, 8:08am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/43 "2014-04-18T08:08:00Z")

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> [@karol](#):
>
> Try to explain this full moon next to sun.

[![Imgur](https://live.staticflickr.com/1042/1121057526_8929b5abbf_b.jpg "Sun and Moon Together on the Tay") ](https://www.flickr.com/photos/9610484@N05/1121057526/)

> [@](#):
>
> I wish it were true. But unfortunately, the green disk of light is not the Moon. Rather it is an internal reflection of the Sun off the glass in your lens. For the Moon to be fully illuminated as such, it would have to be in the opposite part of the sky as the Sun.

In the same set, there’s [another picture](https://www.flickr.com/photos/9610484@N05/1121078866/in/photostream/) showing half of that “moon” in front of a cloud.

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**Author:** ![karol](https://avatars.discourse-cdn.com/v4/letter/k/977dab/32.png) [@karol](https://boards.straightdope.com/u/karol)\
**Post date:** [April 18, 2014, 8:11am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/44 "2014-04-18T08:11:06Z")

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> [@Lord\_Feldon](#):
>
> [Sun and Moon Together on the Tay | The sun and the moon both… | Flickr](https://www.flickr.com/photos/9610484@N05/1121057526/)

Of course it should be on the opposite side but it isn’t. You think I don’t have other photos as well ?

Unfortunately the disk is not a reflection in the below picture.

[http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/](http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/)

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**Author:** ![Foggy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/foggy/32/1082_2.png) [@Foggy](https://boards.straightdope.com/u/Foggy)\
**Post date:** [April 18, 2014, 8:12am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/45 "2014-04-18T08:12:12Z")

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That’s no moon…

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**Author:** ![karol](https://avatars.discourse-cdn.com/v4/letter/k/977dab/32.png) [@karol](https://boards.straightdope.com/u/karol)\
**Post date:** [April 18, 2014, 8:16am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/46 "2014-04-18T08:16:11Z")

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> [@Foggy](#):
>
> That’s no moon…

Oh it is.

[http://koti.kapsi.fi/~leknu/moon-sun.jpg](http://koti.kapsi.fi/~leknu/moon-sun.jpg)

Why is the upper right part of the moon illuminated here ?

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**Author:** ![crowmanyclouds](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/crowmanyclouds/32/19884_2.png) [@crowmanyclouds](https://boards.straightdope.com/u/crowmanyclouds)\
**Post date:** [April 18, 2014, 12:09pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/47 "2014-04-18T12:09:56Z")

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> [@karol](#):
>
> Nope, I don’t get a single penny for this.
> 
> [http://www.lizdraman.com/wp-content/uploads/2014/03/img213e86e3zikbzj.jpeg](http://www.lizdraman.com/wp-content/uploads/2014/03/img213e86e3zikbzj.jpeg) {…}

> [@karol](#):
>
> {…} You think I don’t have other photos as well ?
> 
> Unfortunately the disk is not a reflection in the below picture.
> 
> [http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/](http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/)

Ummm, isn’t that the same picture?

CMC fnord!

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**Author:** ![Telemark](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/telemark/32/372_2.png) [@Telemark](https://boards.straightdope.com/u/Telemark)\
**Post date:** [April 18, 2014, 12:14pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/48 "2014-04-18T12:14:29Z")

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> [@karol](#):
>
> The official explanation of the moon phases is a lie. But don’t you want to believe in lies ?

If they’ve been lying to us about the moon, what else have they been lying to us about?! I fear this goes deep. Perhaps Snapple isn’t really made with the Best Stuff on Earth!

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**Author:** ![Lasciel](https://avatars.discourse-cdn.com/v4/letter/l/e79b87/32.png) [@Lasciel](https://boards.straightdope.com/u/Lasciel)\
**Post date:** [April 18, 2014, 1:29pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/49 "2014-04-18T13:29:17Z")

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I was about to cut a bitch for being the newbie who revived this zombie, but I see it’s just Karol bumping his own thread.

Dude, you know it’s just going to get locked down, right? You have no real proof, you post no direct substantial replies to people who try to engage, and you’re snaky to people when they attempt to show evidence to you.

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**Author:** ![Musicat](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/musicat/32/20189_2.png) [@Musicat](https://boards.straightdope.com/u/Musicat)\
**Post date:** [April 18, 2014, 2:16pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/50 "2014-04-18T14:16:08Z")

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> [@karol](#):
>
> Of course it should be on the opposite side but it isn’t. You think I don’t have other photos as well ?
> 
> Unfortunately the disk is not a reflection in the below picture.
> 
> [http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/](http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/)

**Karol,** we have two explanations of these images proposed here:[ol][li]the “moon” is a camera lens reflection, or[\*]the real moon is in the wrong place astronomically, and may even be in front of some clouds, so it’s only a few miles above the Earth.[/ol]The first explanation fits everything we know about optics, physics, history and photography, the second requires a major change to every physics book and equation ever written, and makes it impossible for space flight, aeronautics, and satellites to exist.[/li]  
So what makes you choose explanation #2 over #1?

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**Author:** ![Peter\_Morris](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/peter_morris/32/359_2.png) [@Peter\_Morris](https://boards.straightdope.com/u/Peter_Morris)\
**Post date:** [April 18, 2014, 3:11pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/51 "2014-04-18T15:11:03Z")

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or 3) Photoshop

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**Author:** ![Loach](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/loach/32/350_2.png) [@Loach](https://boards.straightdope.com/u/Loach)\
**Post date:** [April 18, 2014, 3:28pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/52 "2014-04-18T15:28:45Z")

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Just curious. If I build my own rocket and shoot it straight into the air what part of the earth will I eventually hit?

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**Author:** ![Frazzled](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/frazzled/32/3368_2.png) [@Frazzled](https://boards.straightdope.com/u/Frazzled)\
**Post date:** [April 18, 2014, 3:28pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/53 "2014-04-18T15:28:56Z")

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Karol, I know the sky. I watch the sky. I’ve seen the moon and the sun with my own 2 eyes and will tell you with 100% certainty that what you show in your picture never happened. You’re the worst kind of fool. Many others have peddled bullshit on this site but at least they had the courtesy to be entertaining. You’re just a bore.

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**Author:** ![Twoflower](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/twoflower/32/22_2.png) [@Twoflower](https://boards.straightdope.com/u/Twoflower)\
**Post date:** [April 18, 2014, 3:44pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/54 "2014-04-18T15:44:04Z")

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> [@karol](#):
>
> Oh it is.
> 
> [http://koti.kapsi.fi/~leknu/moon-sun.jpg](http://koti.kapsi.fi/~leknu/moon-sun.jpg)
> 
> Why is the upper right part of the moon illuminated here ?

That one’s easy. It’s a wide angle shot showing 180º+ of the sky. The angle of lighting on the moon is a product of camera optics, not lunatic-fringe cosmology.

On the other hand, what is **your** explanation for the full moon next to the sun? I fail to see how being inside a concave earth would produce that arrangement.

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**Author:** ![AlsoNamedBort](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/alsonamedbort/32/3213_2.png) [@AlsoNamedBort](https://boards.straightdope.com/u/AlsoNamedBort)\
**Post date:** [April 18, 2014, 3:47pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/55 "2014-04-18T15:47:10Z")

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> [@Telemark](#):
>
> Perhaps Snapple isn’t really made with the Best Stuff on Earth!

He knows too much! Code Peach! Code Peach!

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**Author:** ![Mangetout](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mangetout/32/19_2.png) [@Mangetout](https://boards.straightdope.com/u/Mangetout)\
**Post date:** [April 20, 2014, 10:46pm UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/56 "2014-04-20T22:46:43Z")

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> [@karol](#):
>
> Of course it should be on the opposite side but it isn’t. You think I don’t have other photos as well ?
> 
> Unfortunately the disk is not a reflection in the below picture.
> 
> [http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/](http://www.lizdraman.com/2014/03/15/dancing-with-the-virgo-full-moon/)

Lens flare. A very well understood phenomenon.

Here’s another very similar example: [https://farm7.static.flickr.com/6081/6043637183\_4ef2e9d452.jpg](https://farm7.static.flickr.com/6081/6043637183_4ef2e9d452.jpg)

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**Author:** ![Der\_Trihs](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/der_trihs/32/233_2.png) [@Der\_Trihs](https://boards.straightdope.com/u/Der_Trihs)\
**Post date:** [April 21, 2014, 4:34am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/57 "2014-04-21T04:34:36Z")

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> [@Loach](#):
>
> Just curious. If I build my own rocket and shoot it straight into the air what part of the earth will I eventually hit?

Trick question!

You won’t hit the Earth at all, you’ll hit the _roof_. And maybe take out one of the lights hung up there to simulate stars.

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**Author:** ![cmyk](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/cmyk/32/3353_2.png) [@cmyk](https://boards.straightdope.com/u/cmyk)\
**Post date:** [April 21, 2014, 8:11am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/58 "2014-04-21T08:11:15Z")

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Listen, I was a skeptic about a concave earth as well until I took a picture of outside with my phone’s panorama setting.

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**Author:** ![QuickSilver](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/quicksilver/32/7832_2.png) [@QuickSilver](https://boards.straightdope.com/u/QuickSilver)\
**Post date:** [April 21, 2014, 11:18am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/59 "2014-04-21T11:18:55Z")

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> [@karol](#):
>
> Is it convex or concave ?

It’s round and we live on the outside surface. Well, most of us do.

> [@karol](#):
>
> This thread is not a joke.

Yeah, it is. And it gets more tired and pathetic every time you start one like it.

> [@karol](#):
>
> I count on normal and essential discussion 🙂

No you don’t. You count on people ignoring centuries of scientific evidence and rushing to support your lunatic fringe theories. How is that going for you?

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**Author:** ![karol](https://avatars.discourse-cdn.com/v4/letter/k/977dab/32.png) [@karol](https://boards.straightdope.com/u/karol)\
**Post date:** [April 21, 2014, 11:59am UTC](https://boards.straightdope.com/t/diy-testing-earths-curvature-clear-assumptions-proposition-of-two-experiment/682023/60 "2014-04-21T11:59:45Z")

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> [@Twoflower](#):
>
> That one’s easy. It’s a wide angle shot showing 180º+ of the sky. The angle of lighting on the moon is a product of camera optics, not lunatic-fringe cosmology.
> 
> On the other hand, what is **your** explanation for the full moon next to the sun? I fail to see how being inside a concave earth would produce that arrangement.

You’ll have in the next article. So far you’re utterly wrong about this one, this not some optical malformation, sorry. [http://koti.kapsi.fi/~leknu/moon-sun.jpg](http://koti.kapsi.fi/~leknu/moon-sun.jpg)

[https://www.youtube.com/watch?v=-5EOWcuji3I](https://www.youtube.com/watch?v=-5EOWcuji3I) from 0:44

Sun should be higher to illuminate moon the way it does on that movie.  
Again, I have much more than that. But not all at once.

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