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Originally posted by Phage No airplanes on the Moon.
The photos on Google Earth which show cars (and my house) are aerial photographs taken from airplanes
Does Google Earth not use Ikonos/Geo Eye data for Google Earth?
And this is commercial, not military
Does not compare much with THIS, does it?
Originally posted by Phage
reply to post by zorgon
And this is commercial, not military
Does not compare much with THIS, does it?
To give you an idea of what you're talking about:
GeoEye resolution: .41 meter panchromatic, 1.65 meter multispectral.
www.gd-ais.com...
The LROC image has a resolution of 1 meter. When it reaches its final altitude it will be .5 meter.
Now find an object about the size of the lander in the GeoEye image. They say it has a resolution of .5 meters so you're looking for something about 6 pixels across.
Originally posted by mystr
If we send geoeye or ikonos around the moon we'll see all that has to be seen, and in true color, not pathetic greyscale.
End of discussion.
Originally posted by zorgon
Originally posted by mystr
If we send geoeye or ikonos around the moon we'll see all that has to be seen, and in true color, not pathetic greyscale.
End of discussion.
Ikonos released one image of the moon then said short and sweet "We will not be imaging the moon anymore" in a press release
Big Picture
Originally posted by mystr
If we send geoeye or ikonos around the moon we'll see all that has to be seen, and in true color, not pathetic greyscale.
Yes, but the cameras do not have to be as immune to radiation as the ones that leave the Earth and pass all the time in a more harsh environment, Earth satellites "live" bellow the Van Allen belts, so they are much more protected from the solar and cosmic radiation.
Ah, and it seems to me that a satellite can be put in a 100km or so orbit around the moon, but i think geoeye and ikonos circles a lot higher on earth, rrrright?
Why should they have a Moon satellite? They do not have any Earth satellite either (although most people think that have, and the most ignorant even think that the images are in real time).
Can we start a petition for google to have their own moon satellite?
Originally posted by zorgon
Does not compare much with THIS, does it?
]
Originally posted by ArMaP
Didn't you noticed that the resolution is almost the same (0.4 metres for GeoEye-1 and 0.5 metres for LROC)?
And GeoEye-1 photos at that resolution are not true colour, they are panchromatic (greyscale, but sensitive to full visible spectrum) photos.
The problem is that to have high resolutions the cameras can not use different filters, so high resolution cameras are usually monochromatic, even if they are sensitive to all of the visible light, giving us greyscale photos. That is also why they have to use several sensors to have high-resolution colour images, if each sensor is sensitive to a specific wavelength they can make colour images by adding the images from each camera, but is much more expensive, and the reason why most (if not all) high-resolution colour photos from satellites are composites of a high-resolution greyscale photo with the colours from the lower resolution colour camera used just to "paint" the colours over the greyscale photo, resulting in a high-resolution photo in which the colours "bleed" a little over their original positions.
Yes, but the cameras do not have to be as immune to radiation as the ones that leave the Earth and pass all the time in a more harsh environment, Earth satellites "live" bellow the Van Allen belts, so they are much more protected from the solar and cosmic radiation.
Satellites orbiting the Moon are more affected by solar radiation than the ones orbiting Mars, for example, because they are much closer to the source of radiation.
Why should they have a Moon satellite? They do not have any Earth satellite either (although most people think that have, and the most ignorant even think that the images are in real time).
PS: It's funny that some people say that the astronauts could not go to the Moon because of the radiation, but expect the equipment to be immune to it.
Originally posted by ArMaP
And another of an aerial photo with a resolution of 0.15 metres per pixel.
Excuses?
Originally posted by mystr
Excuse me, but i've never seen so much excuses alltoghether in one time.
You can apply for a public-relation job at nasa!
What do you mean by that?
Satellites with balls can do better than this.
Originally posted by mystr
It seems clear that the moon is a forbidden place... How much more than normal will cost to send a "geoeye-moon"?
Originally posted by ArMaP
Didn't you noticed that the resolution is almost the same (0.4 metres for GeoEye-1 and 0.5 metres for LROC)?
And GeoEye-1 photos at that resolution are not true colour, they are panchromatic (greyscale, but sensitive to full visible spectrum) photos.
The problem is that to have high resolutions the cameras can not use different filters, so high resolution cameras are usually monochromatic, even if they are sensitive to all of the visible light, giving us greyscale photos. That is also why they have to use several sensors to have high-resolution colour images, if each sensor is sensitive to a specific wavelength they can make colour images by adding the images from each camera, but is much more expensive, and the reason why most (if not all) high-resolution colour photos from satellites are composites of a high-resolution greyscale photo with the colours from the lower resolution colour camera used just to "paint" the colours over the greyscale photo, resulting in a high-resolution photo in which the colours "bleed" a little over their original positions.
Originally posted by PhageWhat I see is that the clearest images are from DigitalGlobe, providers of fine aerial photography.
Welcome to DigitalGlobe
The home of the world’s leading provider of high resolution commercial imagery and the only company operating a constellation of sub-meter commercial imaging satellites. The company’s technical superiority and innovation, unparalleled commitment to customer service, extensive business partner network and open systems philosophy make DigitalGlobe the preferred supplier of imagery products to government and commercial markets.
That's because LRO is not yet at its working altitude, that is why the resolution is not as high and it changes so much (from 1 to 1.5 metres per pixel) in the photos of the Apollo landing sites.
Originally posted by zorgon
Yes I DID notice that which is why I posted the beautiful color image of Boston Harbour where I can clearly see the tall ships in all their splendor and even see small cars and boats that I can easily recognize as small cars and boats
And that does NOT compare to what I see in LRO images of a rock with shadows
No, my post was an answer to mystr, and in the post I was answering he (or she?) talked about true colour, so I used the same expression in my answer.
You do seem to have a fixation with the 'not true colour' thing...
Originally posted by zorgon
Airplanes... you skeptics kill me
Originally posted by ArMaP
PS: see, I didn't talk about colour in this post.
It depends with what mean by "up there".
Originally posted by zorgon
So tell me If I send a Brownie box camera up there with 120 color film... would I get some good images or not