Yes, the moon have colors...
Usually we see the moon as a monochromatic world only with relief and albedo features to observe....
...but there is something on the surface hidden to the naked eye that everyone can capture with a digital camera, or just plain analog film:
If you observe some particular features on the lunar surface through a telescope you will notice for sure some tiny differences in the hues of the
various greys of the surface, as there are many different geological formations composed of different minerals, so there must be a difference, even
though very subtle to our eyes, in the color. But to digital and analogic image capture devices it is an easy task to record color information with
quite good accuracy, so it can be enhanced afterwords by digital processing to allow us to see it too!
Many times astrophotographers desaturate their Moon images without knowing they are throwing away precious and almost invisible information about
our great satellite, if you observe a normal color picture of this zone of the moon (fig. 2, middle image), you will notice a very distinct tone
compared to other parts of the image, those differences in color can be enhanced digitally to show hidden features and reveal the chemestry and
geologic history of the Moon itself.
The photographs of the Moon, taken from space are the best true-color views of the
Moon. That gray color you see comes from the surface of the Moon which is mostly oxygen, silicon, magnesium, iron, calcium and aluminum. The lighter
color rocks are usually plagioclase feldspar, while the darker rocks are pyroxene. Most of the rocks that you can see are volcanic, and were extruded
from the inside of the Moon during volcanic eruptions. Some rare rocks called olivine are actually green.
One usual way to better visually see those elements is to over-saturate the composited picture using for example
this
step-by-step process.
The result is what is often called "Supersaturated" or "Hypersaturated" picture of the moon:
This image is a mosaic of 15 separate and slightly overlapping 8.2 megapixel images from a Canon EOS-20D (unmodified), taken in Raw mode and
converted and stitched together in Photoshop CS2. The exposures were each 1/5 second at ISO 100. The 20D was mounted in a Meade LX200 GPS UHTC 10"
Schmidt-Cassegrain telescope via a 2x Televue Powermate (a focal length doubler, similar to a teleconverter, which also serves to mate the camera to
the 2" telescope eyepiece tube). Effective focal length was 5000mm f/20. Looking through the viewfinder, the OP swept across the surface in a zig-zag
fashion, trying for about 1/3 overlap between frames and triggered the shutter with a TC80-N3 remote timer/controller. He did the stitching by hand in
Photoshop.
Source
------------------------------------------------------------------------
Image made with a Canon 300D at prime-focus of a 10" newtonian. Stacked 64 images together and processed the luminance with some of the best shots
using the process explained here
Source
------------------------------------------------------------------------
ISO: 100 Exposure time: around 70 x 1/50 sec each (Combined in Registax) Optics: Prime focus of 8 inch SCT, f/6.3 focal reducer Focal Ratio: f/6.3
Digital enhancements: auto colors, saturation increased (in steps), luminance layer added, unsharp mask, Gaussian blur
Source
------------------------------------------------------------------------
Full process explained here
Source
------------------------------------------------------------------------
For most of the Moon, the top few meters of the lunar surface consists of a mix of minerals, whereas lower depths probably offer more uniform
mineralogy from the old magma oceans. The mix on the surface is due to all the splashes of asteroid impacts which has mixed materials from distances.
Changes in mineral content produce subtle color differences in reflected light.
Exaggerated false-color scheme have been used in order to explore the mineral composition of the lunar surface.
Check out this color atlas of the Moon by
Filipe Alves. Full size can be seen
here
edit on 9-4-2012 by elevenaugust because: (no reason given)