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Images on Google Earth are highly detailed but do not show imagery in real-time.
Many people according to Frank Taylor at his Google Earth Blog believe the images are in real time. He believes that is because of weather satellite photos that are a few hours old or because of live weather radar. He goes into detail how Google collects its images for Google Earth.
Taylor writes, "High resolution satellites (like those operated by DigitalGlobe) operate just a few hundred kilometers above the Earth. This means they only see a small part of the Earth with their camera as they orbit over."
"They typically go around the Earth every 90 minutes, but only cover about 1% of the Earth on each pass (you can see strips of imagery if you look at the imagery in Google Earth) - most of that is water."
One reason why the images are not in real time is that they must be processed by a commercial provider like DigitalGlobe before being passed on to Google. Goggle then compares the imagery to the current imagery to see if the new imagery is better than the current.
Taylor writes," Once an image is selected, it has to be processed into the format and coordinate system of Google Earth's databases. Then it has to go through a quality control process and fed into a processing system before it gets distributed to the live Google Earth database servers."
Another reason there is not newer imagery according to Taylor is that it is expensive to purchase quality aerial imagery. Taylor points out that recent imagery is worth more than older imagery and companies do not want to have their newest imagery available for free on Google Earth. He says you cannot sell or use the imagery from Google Earth for business purposes without permission.
There is near real- time imagery of Earth available on Google Earth. Taylor writes," first there's the new Clouds layer. Found under the new Weather layer folder. The clouds are actually taken from weather satellites and are a global picture of the clouds as recent as 3 hours old."
He also points to NASA. "NASA has a layer they call DailyPlanet which shows the entire Earth at a medium resolution (about 500 meter resolution per pixel). You can view DailyPlanet in Google Earth."
"Right now, this layer from NASA is the most recent, highest resolution imagery of the Earth continuously updating available to the general public."
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Comments
weather radar not updating
Is it possible to update the weather radar manually,it seems mine has been stuck at 5/11 for days?
Hi Steven, I'm glad to see
Hi Steven, I'm glad to see I'm not the only one facing this issue since exactly the same day. I've been deinstalling reinstalling the damn thing many times and problem hasn't been solved to date. Funningly enough, images are updated normally on my laptop at work, same version, same OS. I'm clueless and it's frustrating. Have you by any chance found a way to get around this? I suspect the cache to be causing something though...
google map
i moved over 3 years ago into my brand new home and i went to look at my house and the map still shows fields where my house is , that is a long time period to not get images
live img
is there any way one can help me to view what happened in my house from friday to sunday.
this will elp find a killer.
publish date
What can I do find out how old is the picture taken? Is there an option in the google earth that lets me know the date of the frame i'm watching?? Thanks
Age of Imagery
You can find out how old the images in Google Earth as long as they are images provided by DigitalGlobe. To do so open your Google Earth apps, and in the layers section scroll down to the bottom. The very last check box says something like 'DG' layer or something like that. If you check it of, squares will appear on your map (make sure you zoom out). Each square will contain a date when the image was taken.
Say Hello to G
Just paint HELLO GOOGLE at your roof.
When you see this words in a GEarth you'll know they watching you!
Maybe?
I have checked google earth regulary over the last few years. In my home city we have had major road and landscape changes some 5 years ago but Google still shows original views. However I have noticed some changes on other worldwide locations.
NO!
The pictures is in not real time. I have an example, in my town we have a stadium and if I search it with Google Earth I see the picture with the stadium from 3 years ago, in the present the stadium have another color and is renovate!
Real time / quality
The images aren't real-time images. It's impossible for all the earth, but ( relatively) possible for some points. Some satellites are moving in orbits around the earth, others are stopped above a chosen point. And so, you consider the delay time of the transmitions from the satellite to earth and in the internet traffic. But, there are no suficient satellites for all and the images processing demand is so great, not operational and not commercial.
Other problem we encounter is the poor quality of a great number of images, specially the low population density parts.
Poor Grammar
Other problem we encounter is poor english of your latin types. stick to spanish forum amigo.
Not realtime
I can't see that it's realtime where I am, it still shows our house with a bouncy castle in the garden and that was on one day in April this year.
Sattelite view of the Earth
First of all Sattelites don't orbit the Earth, they are put into orbit but when they are put there they stay pretty well stationery so they only see the same thing all the time. They are truly traveling at grreat speeds but only because they are going the same speed as the Earth turns. So they cannot view water unless they are over water or they have a camera that rotates back and forth. Otherwise they only see the same thing day in day out. That's my story and I'm stiching to it.
Geo-Stationary
Sir- You are desc ribing a geostationary satellite such as a communication or weather satellite.
Imageing satellites do move relative to the earth surface and are usually in polar orbits.
Actually, you are both
Actually, you are both wrong. Imaging satellites are in a sun-synchronous orbit. This is so that the earth below the satellite is always in the sunlight. Typically, the satellite is taking pictures at around 10:00am - 11:00am local time.
It is possible to have a polar sun-synchronous orbit, but this is not the case with commercial imaging satellites.
not real time
I have looked up our address and I use to get a picture that wasn't focused. Now I can see our house clearly and everything around us. I have only been using GE for a year or so.
TJ
Definitely old images in my area
I live near Legoland's theme park in sunny southern California. The Google earth images for this area are at least 4 years old as is does not reflect the construction of our municipal golf course and a host of commercial and residential development. Either way, Google earth still rocks.
I agree
The images aren't in real time, well they aren't for my property anyway.
I love Google Earth though, it's pretty amazing! :-)
I used Google Earth Pro for
I used Google Earth Pro for a few years but had to cancel because the photos were so old. You expect more for $500 a year.
No These are Not Real Time
The Images which are with the Google Earth are not the real time gerenated. These are old and some times they get around fresh images but not real.
Not Real Time
I have looked my address up on google earth many times alway with the same car in the driveway. That car was sold over 6 years ago. No Certainly not in real time.
Real time google earth
well, they certainly never use to be. I checked out photos of a carpark near my work and there was a section that had been closed for around 6 months, but in the google earth shot you could clearly see cars still parked in the old section.
Old images on Google Earth
We live in Spain near Alicante and have been here for 5.5 years. The images of our property are at least that old and probably older. In my opinion Google only updates the images where something 'news worthy' is happening, primarly weather.
We have a new motorway just been built which has been added to the map overlay but you cannot see it on the satellite image. It is a shame because the system could be so useful but, as it is, it's bordering on just 'fun' with little or no practical value.
Richard
i dont think they're in real
i dont think they're in real time. whenever check my fav team's stadium on istanbul - kadikoy area, it's still showing the construction image which has end in 2004. or shall i ask, do the images recency changes due the locations ?
google earth
You say Google earth is near real-time,within a few hours.
I beg todiffer,Everytime I have brought my own piece of property up on google earth the pics I get are always the same picture....taken several years ago..or so it looks to me ....it's always an old picture...my opinion...thanks
Grazie
Io vorrei ringraziar La per la meravigliosa possibilita' che ha messo alle disposizioni dei ricercatori del tutto il mondo ...io come architetto e' stato risolto moltissimi dei mie problemi con google earth ...Grazie Grazie
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