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Apollo Discussions => The Hoax Theory => Topic started by: AtomicDog on February 06, 2018, 06:20:15 PM

Title: The sun and stage lamps, revisited.
Post by: AtomicDog on February 06, 2018, 06:20:15 PM
I've been watching the live feed of Spacex's Starman in orbit in his Tesla Roadster. 
 One tenant of the moon hoax is that photos taken on the moon are made with a giant stage lamp because the image of the sun is far larger than it should be. Of course, we know that the "sun" is lens bloom caused by light overwhelming the sensor (film in the Apollo images.)

Anyway, as the Roadster rotates, you can see the sun pass behind Starman's helmet, but the bloom actually seems to pass in FRONT of the helmet until the actual disc of the sun is eclipsed - proof that this is the same phenomenon that makes hoax believers think that the sun is bigger than it should be.
Title: Re: The sun and stage lamps, revisited.
Post by: Glom on February 07, 2018, 08:08:55 AM
That picture makes me think that someone needs to start a twitter feed, Solitary Starman, a bit like Lonely Luke after the Force Awakens.
Title: Re: The sun and stage lamps, revisited.
Post by: JayUtah on February 07, 2018, 11:09:29 AM
...or Sarcastic Rover.  Love that guy.
Title: Re: The sun and stage lamps, revisited.
Post by: Obviousman on February 08, 2018, 03:31:10 AM
I couldn't help but think of the opening scene from the movie Heavy Metal.

BTW, you see there are people (person?) claiming the Falcon Heavy booster landings were faked?
Title: Re: The sun and stage lamps, revisited.
Post by: Glom on February 08, 2018, 07:07:09 AM
I couldn't help but think of the opening scene from the movie Heavy Metal.

BTW, you see there are people (person?) claiming the Falcon Heavy booster landings were faked?
How do we know that person isn't fake?
Title: Re: The sun and stage lamps, revisited.
Post by: tikkitakki on February 08, 2018, 07:46:44 AM
I couldn't help but think of the opening scene from the movie Heavy Metal.


Title: Re: The sun and stage lamps, revisited.
Post by: jfb on February 08, 2018, 12:11:08 PM
I couldn't help but think of the opening scene from the movie Heavy Metal.

BTW, you see there are people (person?) claiming the Falcon Heavy booster landings were faked?

Of course there are.  The question is whether they are true (dis)believers or just trolling.  Every YouTube video of every rocket launch (SpaceX or not) has some jackass going "I can't believe you sheeple are falling for this, it's obviously fake."  I'm convinced that well north of 90% of them are doing so just for the lulz.  Of the remainder, I'm convinced at least half some are Russians agents provocateurs  trying to sow doubt and confusion (and succeeding beyond their wildest dreams in some quarters). 

I mean, there's this video (https://www.youtube.com/watch?v=59pY74ZhQ50) that tracks the launch and booster landings in a single, uninterrupted shot, and sure enough there are cries of "fake!" in the comments. 
Title: Re: The sun and stage lamps, revisited.
Post by: MBDK on February 09, 2018, 05:37:47 AM
I just recently noticed that in this (https://www.hq.nasa.gov/alsj/a12/AS12-47-6897HR.jpg) picture, you can zoom in and see, in the astronaut's visor, the reflection of the Sun peeking almost half-way out over the astronaut's PLSS.  In that reflection, you can clearly see that the Sun is a tiny disc, and the bloom is very faint, due to the lower overall intensity of the light.  I think this is pretty good proof for the layperson as to the validity of the bloom explanation.  At least that is how I analyze it.  Any thoughts?

Note:  Edited for grammar.
Title: Re: The sun and stage lamps, revisited.
Post by: BertieSlack on February 09, 2018, 07:14:32 AM
Watch what happens when one of the Apollo 17 astronauts passes the thin handle of his geology sampling tool across the front of his visor:

Title: Re: The sun and stage lamps, revisited.
Post by: AtomicDog on February 09, 2018, 03:31:14 PM
I decided to go back and find the exact moment in the video. It starts at 1:18:24 in the feed.    (https://youtu.be/aBr2kKAHN6M)


Title: Re: The sun and stage lamps, revisited.
Post by: onebigmonkey on February 09, 2018, 03:55:59 PM
Oh man the reflection of Earth on the car and starman's helmet - just amazing!
Title: Re: The sun and stage lamps, revisited.
Post by: AtomicDog on February 09, 2018, 04:03:18 PM
Oh man the reflection of Earth on the car and starman's helmet - just amazing!

I see what you mean. That is poetic.

There are literally DOZENS of great shots that can be pulled off that feed. SpaceX should be up for a Pulitzer Prize.
Title: Re: The sun and stage lamps, revisited.
Post by: MBDK on February 09, 2018, 05:27:49 PM
Fantastic stuff, gentlefolk!  And just for my own education, the differences in the Sun bloom is the result of the differences in the camera lens/settings, or the materials the Sun reflects off, or a combination?  I am also assuming there have been some upgrades to the helmet visors (new/upgraded material/coatings, etc.) used for EVAs between Apollo and the ISS era, but I couldn't find any specific mention in my searches (it makes sense that different improvements would be made, I just couldn't verify that). 
Title: Re: The sun and stage lamps, revisited.
Post by: Ian R on June 21, 2018, 01:30:30 AM
I think I may have stumbled across a fuller explanation as to why the Sun looks so large in the Apollo surface imagery (in addition to the well-known effect caused by blooming from a bright and over-exposed object).

In David Woods's excellent all-round guide to the 'hows' and 'whys' of the Apollo missions (How Apollo Flew to the Moon (https://www.amazon.co.uk/Apollo-Flew-Moon-Space-Exploration/dp/1441971785)), he explains that the reseaux plate in the back of the Hasselblad cameras were coated with a thin and transparent layer of gold, to prevent a build-up of static electricity (which presumably could have been generated by the friction of the film moving over the glass plate after each exposure).

This is a crucial and telling point, I believe, as almost every photograph that shows a bright halo surrounding either the Sun or a bright reflection was taken with a camera fitted with a gold-coated reseaux plate.

Here are a few cropped examples:

(https://s22.postimg.cc/50u2aob9p/AS17-138-21080.png) (https://postimg.cc/image/50u2aob9p/)
AS17-138-21080

(https://s22.postimg.cc/dyes7nllp/AS14-66-9260.png) (https://postimg.cc/image/dyes7nllp/)
AS14-66-9260

AS13-62-8955
(https://s22.postimg.cc/ikawga9sd/AS13-62-8955.png) (https://postimg.cc/image/ikawga9sd/)

AS13-62-8973
(https://s22.postimg.cc/pnirvyzt9/AS13-62-8973.png) (https://postimg.cc/image/pnirvyzt9/)

(https://s22.postimg.cc/enxkk8rct/AS11-40-5893.png) (https://postimg.cc/image/enxkk8rct/)
AS11-40-5893
Title: Re: The sun and stage lamps, revisited.
Post by: Dalhousie on June 21, 2018, 05:45:18 AM


Of course there are.  The question is whether they are true (dis)believers or just trolling.  Every YouTube video of every rocket launch (SpaceX or not) has some jackass going "I can't believe you sheeple are falling for this, it's obviously fake."  I'm convinced that well north of 90% of them are doing so just for the lulz.  Of the remainder, I'm convinced at least half some are Russians agents provocateurs  trying to sow doubt and confusion (and succeeding beyond their wildest dreams in some quarters). 


Can we please NOT blame everything on Russian agents?  It's getting close to xenophobia.
Title: Re: The sun and stage lamps, revisited.
Post by: Dalhousie on June 21, 2018, 05:46:35 AM
Oh man the reflection of Earth on the car and starman's helmet - just amazing!

I see what you mean. That is poetic.

There are literally DOZENS of great shots that can be pulled off that feed. SpaceX should be up for a Pulitzer Prize.

There is a Pulitzer for self promotion via stupid stunts now?
Title: Re: The sun and stage lamps, revisited.
Post by: bknight on June 21, 2018, 09:09:45 AM
I decided to go back and find the exact moment in the video. It starts at 1:18:24 in the feed.    (https://youtu.be/aBr2kKAHN6M)

Around the 1:12 time I see 4 diagonal lines on the right of the video.  Since I haven't read much on this mission, does anyone know what those 4 lines are?
Title: Re: The sun and stage lamps, revisited.
Post by: jfb on June 21, 2018, 10:04:32 AM
I decided to go back and find the exact moment in the video. It starts at 1:18:24 in the feed.    (https://youtu.be/aBr2kKAHN6M)

Around the 1:12 time I see 4 diagonal lines on the right of the video.  Since I haven't read much on this mission, does anyone know what those 4 lines are?

You're talking about the 1 hour 12 minute mark?  That's one of the camera mounts.  There's also a camera mount in front of the car (that's the thing you see through the windshield from the cabin view). 
Title: Re: The sun and stage lamps, revisited.
Post by: AtomicDog on June 21, 2018, 10:05:22 AM
Oh man the reflection of Earth on the car and starman's helmet - just amazing!

I see what you mean. That is poetic.

There are literally DOZENS of great shots that can be pulled off that feed. SpaceX should be up for a Pulitzer Prize.

There is a Pulitzer for self promotion via stupid stunts now?


Pulitzer Prize for best photograph. Self promotion via stupid stunts? The Falcon Heavy launch probably produced the most inspiring space images since Earthrise. I most respectfully and vehemently disagree with you on this one.
Title: Re: The sun and stage lamps, revisited.
Post by: molesworth on June 21, 2018, 04:07:11 PM
Of course there are.  The question is whether they are true (dis)believers or just trolling.  Every YouTube video of every rocket launch (SpaceX or not) has some jackass going "I can't believe you sheeple are falling for this, it's obviously fake."  I'm convinced that well north of 90% of them are doing so just for the lulz.  Of the remainder, I'm convinced at least half some are Russians agents provocateurs  trying to sow doubt and confusion (and succeeding beyond their wildest dreams in some quarters). 
Can we please NOT blame everything on Russian agents?  It's getting close to xenophobia.
Спасибо, товарищ!  ;D
Title: Re: The sun and stage lamps, revisited.
Post by: molesworth on June 21, 2018, 04:18:58 PM
Oh man the reflection of Earth on the car and starman's helmet - just amazing!

I see what you mean. That is poetic.

There are literally DOZENS of great shots that can be pulled off that feed. SpaceX should be up for a Pulitzer Prize.

There is a Pulitzer for self promotion via stupid stunts now?


Pulitzer Prize for best photograph. Self promotion via stupid stunts? The Falcon Heavy launch probably produced the most inspiring space images since Earthrise. I most respectfully and vehemently disagree with you on this one.
Indeed!  The whole launch sequence, first stage landings, and Starman in orbit are amazing, and hopefully will inspire yet another generation to get into science, engineering and related areas.

As for self-promotion, there's nothing wrong with that, given Musk's commitment to making the world a better place in many ways.  It was a first test, so there was never going to be any commercial payload, and even e.g. student projects would have been at very high risk, which would have been pretty devastating for the teams if it had gone wrong.

I'm looking forward to the first payload-carrying launch, near the end of this year if it stays on schedule.
Title: Re: The sun and stage lamps, revisited.
Post by: bknight on June 21, 2018, 08:33:08 PM
I decided to go back and find the exact moment in the video. It starts at 1:18:24 in the feed.    (https://youtu.be/aBr2kKAHN6M)

Around the 1:12 time I see 4 diagonal lines on the right of the video.  Since I haven't read much on this mission, does anyone know what those 4 lines are?

You're talking about the 1 hour 12 minute mark?  That's one of the camera mounts.  There's also a camera mount in front of the car (that's the thing you see through the windshield from the cabin view).
Yes to the time mark and thanks for the info.
Title: Re: The sun and stage lamps, revisited.
Post by: MBDK on June 22, 2018, 02:25:53 PM
...the reseaux plate in the back of the Hasselblad cameras were coated with a thin and transparent layer of gold, to prevent a build-up of static electricity (which presumably could have been generated by the friction of the film moving over the glass plate after each exposure).

This is a crucial and telling point, I believe, as almost every photograph that shows a bright halo surrounding either the Sun or a bright reflection was taken with a camera fitted with a gold-coated reseaux plate.

A reasonable explanation, with great examples.  Thank you Ian, for educating me a little bit more.