Whole Earth images, Does any satellite provide regularly updated ones? |
Whole Earth images, Does any satellite provide regularly updated ones? |
Mar 8 2007, 04:17 PM
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
There are tons of Earth observing satellites producing gorgeous detailed images, but I'm trying to figure out if any of them is capable of producing full-globe images of Earth on some regularly updated basis. Does anyone here know of such a beast? Are there weather monitoring satellites that do this?
--Emily -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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Mar 8 2007, 04:32 PM
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
Well - there's Meteosat, the European geostationary effort - but that's just one side of said globe. The latest version of Meteosat is the second generation vehicle ( MSG ) which is producing good imagery at high res, every 6 hours. Of course that means basically one full colour image over 0 degrees per day ( the 0600 and 1800 images are, of course, half dark )
Proper website is www.eumetsat.de ( might have seen signposts for Eumetsat on the way into Darmstadt on the Bus - just opposite ESOC ) I'd recommend here - http://www.sat.dundee.ac.uk - (free reg required for good stuff) for regular full res MSG imagery as well as from other, not quite so high-res or full colour etc sats. (i.e. GOESE, GOESW, IODC, MTSAT). TECHNICALLY...one could take these multiple geostationary views, and fudge some sort of global view from them. Also - Aqua and Terra each with my favorite polar orbiting instrument MODIS, do technically cover the entire glove at about 500m/pixel, in colour, at about 1200 and 1400 LOCAL time every day - but I don't believe they produce a daily global product, just the swathes in near real time and a lot of near realtime subset that are reprojected - http://rapidfire.sci.gsfc.nasa.gov/ I guess it depends on what you mean by global. Doug |
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Mar 8 2007, 04:46 PM
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Interplanetary Dumpster Diver Group: Admin Posts: 4404 Joined: 17-February 04 From: Powell, TN Member No.: 33 |
Modis covers the entire earth every one to two days, depending on how the Aqua and Terra ground tracks fall. This page has some good stuff http://visibleearth.nasa.gov/view_rec.php?id=2429
Seawifs also gets nearly full coverage on a daily basis. -------------------- |
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Mar 8 2007, 04:47 PM
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Interplanetary Dumpster Diver Group: Admin Posts: 4404 Joined: 17-February 04 From: Powell, TN Member No.: 33 |
On second thought, Emily, you are breaking the law which states that the only global image of the earth is this one:
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