What is Pleiades imagery?
Emma Martin
Published Mar 08, 2026
What is Pleiades imagery?
The Pléiades satellite constellation provides very high-resolution optical imagery that delivers an extremely high level of detail. Designed for civil and military users, the system is especially suited for emergency response and change detection.
Is Pleiades imagery free?
Presentation. Access to Pleiades images is free for French institutional users (UIA), including scientists. French private actors may also benefit from this free access if they are performing a service for a French institutional actor.
How much does Pleiades cost?
The two-satellite Pleiades system cost about 650 million euros ($850 million), most of it paid by CNES. But 50 high-priority images per day from Pleiades’ total output of 450 images are reserved for military use.
What is the radiometric resolution of geoeye 1?
GeoEye-1 Satellite Sensor Specifications
| Launch Date | September 6, 2008 |
|---|---|
| Resolution | 0.46 m / 1.51 ft* panchromatic (nominal at Nadir) 1.84 m / 6.04 ft* multispectral (nominal at Nadir) |
| Spectral Range | Panchromatic: 450 – 800 nm Blue: 450 – 510 nm Green: 510 – 580 nm Red: 655 – 690 nm Near Infra Red: 780 – 920 nm |
Where can I get high resolution satellite images?
Top 9 free sources of satellite data [2021 update]
- Google Earth – Free access to high resolution imagery (satellite and aerial)
- Sentinel Hub – Browse Sentinel data.
- USGS Satellite imagery – Landsat, MODIS, and ASTER data.
- NOAA – Get new satellite data every 15 minutes.
How much RAM is in a supercomputer?
Titan has 18,688 nodes (4 nodes per blade, 24 blades per cabinet), each containing a 16-core AMD Opteron 6274 CPU with 32 GB of DDR3 ECC memory and an Nvidia Tesla K20X GPU with 6 GB GDDR5 ECC memory. There are a total of 299,008 processor cores, and a total of 693.6 TiB of CPU and GPU RAM.
How much RAM does a NASA supercomputer have?
System Architecture
| Broadwell Nodes | Sandy Bridge Nodes | |
|---|---|---|
| Processor Speed | 2.4 GHz | 2.6 GHz |
| Cache | 35 MB for 14 cores | 20 MB for 8 cores |
| Memory Type | DDR4 FB-DIMMs | DDR3 FB-DIMMs |
| Memory Size | 4.6 GB per core, 128 GB per node | 2 GB per core, 32 GB per node |
Is GeoEye-1 still operational?
GeoEye-1 is an Earth-imaging satellite operated by Maxar of the United States which launched 6 September 2008 and remains operational. It is part of ESA’s Third Party Missions Programme, in which ESA has an agreement with European Space Imaging (EUSI) to distribute data products from the mission.
What language is the word Pleiades?
History and Etymology for Pleiades Latin, from Greek.
