Author Topic: The sun and stage lamps, revisited.  (Read 820 times)

Offline AtomicDog

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The sun and stage lamps, revisited.
« 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.
"There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death." - Isaac Asimov

Offline Glom

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Re: The sun and stage lamps, revisited.
« Reply #1 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.

Offline JayUtah

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Re: The sun and stage lamps, revisited.
« Reply #2 on: February 07, 2018, 11:09:29 AM »
...or Sarcastic Rover.  Love that guy.
"Facts are stubborn things." --John Adams

Offline Obviousman

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Re: The sun and stage lamps, revisited.
« Reply #3 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?

Offline Glom

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Re: The sun and stage lamps, revisited.
« Reply #4 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?

Offline tikkitakki

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Re: The sun and stage lamps, revisited.
« Reply #5 on: February 08, 2018, 07:46:44 AM »
I couldn't help but think of the opening scene from the movie Heavy Metal.



Offline jfb

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Re: The sun and stage lamps, revisited.
« Reply #6 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 that tracks the launch and booster landings in a single, uninterrupted shot, and sure enough there are cries of "fake!" in the comments. 

Offline MBDK

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Re: The sun and stage lamps, revisited.
« Reply #7 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.
Lord John Whorfin: Laugh-a while you can, monkey-boy.

Offline BertieSlack

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Re: The sun and stage lamps, revisited.
« Reply #8 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:


Offline AtomicDog

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Re: The sun and stage lamps, revisited.
« Reply #9 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.



"There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death." - Isaac Asimov

Offline onebigmonkey

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Re: The sun and stage lamps, revisited.
« Reply #10 on: February 09, 2018, 03:55:59 PM »
Oh man the reflection of Earth on the car and starman's helmet - just amazing!

Offline AtomicDog

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Re: The sun and stage lamps, revisited.
« Reply #11 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.
"There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death." - Isaac Asimov

Offline MBDK

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Re: The sun and stage lamps, revisited.
« Reply #12 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). 
Lord John Whorfin: Laugh-a while you can, monkey-boy.