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undo:
...i'd love to see it in the black and white!
undo:
now why would i want to look at the black and white version of the same image
Originally posted by undo
...well this is the thing. some of these craters are supposedly kicking up blue basalt. some even have blue lava tubes.
.. so i theorized that perhaps in addition to the basalt and lava tubes (which are a sheer blue color), that we might also have some type of mix of melted basalt and ice, like in sheets, draping the walls of the crater, as if the basalt was in a molten state or something, and quick froze because of the angle of the sun on the surface and the proximity to one of the poles
Originally posted by undo
now why would i want to look at the black and white version of the same image when i have the color version of the same image, presented by the same people that presented the black and white version?
I have been lazy all my life, but sometimes I it doesn't show.
armap, i'm surprised at you. you're getting lazy.
Originally posted by CHRLZ
Originally posted by undo
...well this is the thing. some of these craters are supposedly kicking up blue basalt. some even have blue lava tubes.
.. so i theorized that perhaps in addition to the basalt and lava tubes (which are a sheer blue color), that we might also have some type of mix of melted basalt and ice, like in sheets, draping the walls of the crater, as if the basalt was in a molten state or something, and quick froze because of the angle of the sun on the surface and the proximity to one of the poles
I'm sorry but you're not really backing up anything with any references, and my active mind is throwing up lots of questions about your claims, eg:
3. Do you have some sort of geothermal/geological/mineralogical explanation on how basalt (high melting point) and ice (low melting point) might fuse together in a molten state and become 'sheer'? Are you aware that the water/ice found on the moon to date is mostly bonded into the rocks and dust chemically, and has no transparent effect whatsoever?
then I can only think of the comment you made earlier in response to that:
Originally posted by OrionHunterX
*snip*
Ah! The Earth in all its glory, in full color. From Moon orbit! You can even see some browns! And this one’s NOT from NASA!
What do you have to say to this Mr Escamilla? Oh yeah! I know! The Soviets faked their images too! Damn!
www.youtube.com...
www.planetary.org...
Originally posted by Arbitrageur
Originally posted by OrionHunterX
What do you have to say to this Mr Escamilla? Oh yeah! I know! The Soviets faked their images too! Damn!
Yes this would be the likely answer we would expect since he clearly claims that Japan's faking stuff too.
Optics: Meade 10” f/10 LX200GPS UHTC at f/28 with 18mm eyepiece projection.
Camera: Canon D60.
www.rc-astro.com...
A true-color image of a subject is an image that appears to the human eye just like the original subject would: a green tree appears green in the image, a red apple red, a blue sky blue, etc. When applied to black-and-white images, true-color means that the perceived lightness of a subject is preserved in its depiction. Absolute true-color is impossible to achieve due to the differences between the chemistries of the display media and an eye.
In a false-color image this close correspondence between subject color and image color is violated. That can happen in many ways. For example, a photographic negative could be called a false-color image, since it shows the complementary colors of its subject. However, the term "false-color" is typically used to describe images whose colors represent measured intensities outside the visible portion of the electromagnetic spectrum (or outside the electromagnetic spectrum altogether).
en.wikipedia.org...
10. Aristarchus Plateau (Real Color)
A mosaic of more than 250 images showing the complex and diverse Aristarchus region of the Moon in approximately “natural” colors (blue = 415 nanometers, green = 750 nanometers, red = 950 nanometers). The plateau is an uplifted block of complex, highland terrain, partly flooded by later mare basalt lavas. Dark, pyroclastic glasses partly cover the uplifted terrain. The crater Aristarchus (47 kilometers in diameter) has formed in the southeast corner of the plateau, excavating both highlands and mare rocks.
www.lpi.usra.edu...
Color effect at Aristarchus and Vallis Schroteri's Cobra Head
"Early in the evening of October 29, 1963, Mr. Edward Barr and I had started our regular lunar observations... When I started to observe at 1830 MST I concerntrated on the Cobra Head of Schroeter's Valley... at 1850 MST I noticed a reddish-orange color over the dome-like structure on the southwest side of the Cobra Head. Almost simultaneously I observed a small spot of the same color on a hilltop across the valley. Within two minutes these colors had become quite brilliant and had considerable sparkle. I immediately called Mr. Barr to share this observation with me. His first impression of the color was a dark orange. No other color spots were noted until 1855 MST when I observed an elongated streaked pink color along the southwest rim of Aristarchus...at approximately 1900 MST I noticed the spots of color at the Cobra Head and on the hill across the valley had changed to a light ruby red...I had the impression that I was looking into a large polished gem ruby but could not see through it. Mr. Barr's impression of the color at this time was that a little more dense than I had described it... By 1905 MST it was apprent that the color was fading".
- Taking Science to the Moon- Lunar Experiments and the Apollo Program, by Donald A. Beattie, chapter 2, p. 25
Transcript quote by James Greenacre, employed at the time by th US Air Force Lunar Mapping Program at the Lowell Observatory.
Scope: TMB 80mm
Barlow: 2.5x barlow
Camera: DMK 41AF02
www.astronomie.be...
Aristarchus Crater
Credit: Mike's Astroimagery UK
If you haven't already seen the Full Moon that Mike took where this clip of Aristarchus is a small section, you can do so HERE. The picture above is Aristarchus Crater clipped from an image taken with a 10" Telescope in the UK. Compare this image to the high resolution image from the Clementine Satellite below and remember that this is a 10" telescope image.
Credit: USGS/US Navy/Clementine Spacecraft
The image above is cropped from the full spread Clementine Nearside.tif image. Click on the image to see one cropped from the 65 meg version. Both the Clementine and Mike's image show the beautiful "Electric Blue" color of the crater
Originally posted by Arbitrageur
Why The Moon Appears Grey From Earth
Note in the first minute at about 120,000 miles from the Earth, he highlights the quote by Neil Armstrong: "It appears that we do not have the depth of color at this range that we enjoyed at 50,000 miles out, however the oceans are still a definite blue"
Originally posted by Arbitrageur
Note carefully that the color change was perceived between 50,000 miles and 120,000 miles out.
Originally posted by Arbitrageur
Do you think most Escamilla fans would know there's no atmosphere to speak of 50,000 miles or more above the Earth?
Originally posted by Arbitrageur
I would hope so, yet why would they believe this nonsense at 1m11s in the video:
"The fact is that this same gradual color fading that Neil Armstrong and other Apollo astronauts saw is also happening when we down here on Earth look up at the moon. The same atmospheric color diffusion principles occur because we are looking through the same atmosphere the apollo astronauts were when they were in space looking back at the Earth"
Extinction is a term used in astronomy to describe the absorption and scattering of electromagnetic radiation emitted by astronomical objects by matter (dust and gas) between the emitting object and the observer. The concept for interstellar extinction is generally attributed to Robert Julius Trumpler,[1] though its effects were first identified in 1847 by Friedrich Georg Wilhelm von Struve.[2] For Earth-bound observers, extinction arises both from the interstellar medium (ISM) and the Earth's atmosphere; it may also arise from circumstellar dust around an observed object. The strong atmospheric extinction in some wavelength regions (for example X-ray, ultraviolet, and infrared) requires the use of space-based observatories. Since blue light is much more strongly attenuated than red light in the optical wavelength regions, resulting in an object which is redder than expected, interstellar extinction is often referred to as reddening.
Extinction is often measured in units of apparent magnitude decrease per kiloparsec of distance (mag/kpc).
Atmospheric extinction varies with location and altitude. Astronomical observatories generally are able to characterise the local extinction curve very accurately, to allow observations to be corrected for the effect. Nevertheless, the atmosphere is completely opaque to many wavelengths requiring the use of satellites to make observations.
Atmospheric extinction has three main components: Rayleigh scattering by air molecules, scattering by aerosols, and molecular absorption. Molecular absorption is often referred to as 'telluric absorption', as it is caused by the Earth ("telluric" is a synonym of "terrestrial"). The most important sources of telluric absorption are molecular oxygen and ozone, which absorb strongly in the near-ultraviolet, and water, which absorbs strongly in the infrared.
The amount of atmospheric extinction depends on the altitude of an object, being lowest at the zenith and at a maximum near the horizon. It is calculated by multiplying the standard atmospheric extinction curve by the mean airmass calculated over the duration of the observation.
Originally posted by Arbitrageur
So he is claiming that the loss in color intensity Neil Armstrong observed between 50,000 and 120,000 miles above the Earth is due to atmospheric color diffusion? This can't be true if there's so little atmosphere above 50,000 miles, can it?
Originally posted by Arbitrageur
That's obviously false as there's no appreciable atmosphere between 50,000 miles and 120,000 miles.
Originally posted by Arbitrageur
So Escamilla debunks his own claim that atmospheric diffusion makes the moon look gray with his own evidence in 2 ways:
1. He shows the color change (of the Earth) appears between 50,000 miles and 120,000 miles where there's essentially no significant atmosphere, and
2. He presents pictures of the effect of atmospheric diffusion on the moon, showing that it makes the moon look reddish, not gray.
Originally posted by Arbitrageur
Then he presents some grayish looking fog or smog a little after 3 minutes and claims that shows how the "atmosphere" makes things look gray in the distance.
The effect of haze is mostly a result of the haze itself and not necessarily an effect of the "atmosphere" itself, which can be quite clear in certain conditions.
Haze is traditionally an atmospheric phenomenon where dust, smoke and other dry particles obscure the clarity of the sky. The World Meteorological Organization manual of codes includes a classification of horizontal obscuration into categories of fog, ice fog, steam fog, mist, haze, smoke, volcanic ash, dust, sand and snow. [1] Sources for haze particles include farming (ploughing in dry weather), traffic, industry, and wildfires.
Seen from afar (e.g. approaching airplane) and depending upon the direction of view with respect to the sun, haze may appear brownish or bluish, while mist tends to be bluish-grey. Whereas haze often is thought of as a phenomenon of dry air, mist formation is a phenomenon of humid air. However, haze particles may act as condensation nuclei for the subsequent formation of mist droplets; such forms of haze are known as "wet haze."
Haze causes issues in the area of terrestrial photography, where the penetration of large amounts of dense atmosphere may be necessary to image distant subjects. This results in the visual effect of a loss of contrast in the subject, due to the effect of light scattering through the haze particles. For these reasons, sunrise and sunset colors appear subdued on hazy days, and stars may be obscured at night. In some cases, attenuation by haze is so great that, toward sunset, the sun disappears altogether before reaching the horizon. Haze can be defined as an aerial form of the Tyndall effect therefore unlike other atmospheric effects such as cloud and fog, haze is spectrally selective: shorter (blue) wavelengths are scattered more, and longer (red/infrared) wavelengths are scattered less.
Originally posted by Arbitrageur
With him doing all the work providing evidence to prove his own claims false, there's not much left for me to do except provide one more piece of evidence, this is the only one that Escamilla didn't already provide himself. If the moon looks gray because of atmospheric diffusion, why does the moon still look gray from the international space station?
That's a cool photo because you can see where the Earth's atmosphere is, and you can also tell that you're not looking through it to see the moon.
S128-E-006611 (30 Aug. 2009) --- A gibbous moon is visible above Earth's atmosphere, photographed by an STS-128 crew member on the Space Shuttle Discovery during flight day three activities.
spaceflight.nasa.gov...
Does anyone want to guess the real reason why the Earth or the moon look more grayish at greater distances?
Originally posted by mcrom901
Originally posted by Arbitrageur
Note carefully that the color change was perceived between 50,000 miles and 120,000 miles out.
wrong again..... between 50,000 miles and 120,000 miles.... would be at around 85,000 miles out
Originally posted by mcrom901
Originally posted by Arbitrageur
That's obviously false as there's no appreciable atmosphere between 50,000 miles and 120,000 miles.
you're clutching at straws if you think that such a claim was ever made..... its only in your head....
"The fact is that this same gradual color fading that Neil Armstrong and other Apollo astronauts saw is also happening when we down here on Earth look up at the moon. The same atmospheric color diffusion principles occur because we are looking through the same atmosphere the apollo astronauts were when they were in space looking back at the Earth"
Originally posted by mcrom901
though you have the wrong figures there..... and besides the fact that atmosphere does indeed play a major role...... why do you think that its forcing you to rule out all the other inter-related possibilities by limiting it to only 'atmosphere'????
Originally posted by mcrom901
what do you make of this example.....
Originally posted by Arbitrageur
If you've studied the astronauts' transmissions, you know that the colors they see are dependent on the angle of the sun versus the surface they are looking at. They can look at the surface with the sun at one angle, and see tannish or brownish hues, and look at the exact same surface with their view or the sun at a different angle, and it can look gray.
Here’s a grab of the movie trailer and the crater I’ve marked with an arrow showing what he claims is a UFO.