Blog

Free Satellite Imagery Sources A Complete Comparison
2026-06-25
~ 6 min
(Article updated: 2026-06-25)
Free satellite imagery powers modern geospatial applications across climate intelligence, agriculture, logistics, and AI analytics. This guide compares the leading free satellite imagery sources including Landsat, Sentinel, Google Earth Engine, EarthExplorer, and OpenAerialMap, explaining their strengths, limitations, and best use cases for developers, researchers, and businesses.
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Best Alternatives to Google Earth
2026-06-23
~ 10 min
(Article updated: 2026-06-23)
Discover the best Google Earth alternatives in 2026. Compare OnGeo Intelligence, Google Earth, Planet Labs, Vantor, Sentinel-2, and Landsat for satellite imagery, monitoring, mapping, and change detection. Learn which platform offers the freshest data, highest resolution, and most affordable access to professional Earth observation tools.
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The Cold War’s Silent Sentinel: How JUMPSEAT Redefined Space Intelligence
2026-05-06
~ 4 min
(Article updated: 2026-05-06)
Between 1971 and 1987, the United States launched eight highly classified JUMPSEAT satellites from Vandenberg. Developed by the NRO’s Program A, these were America’s first-generation signals intelligence (SIGINT) satellites operating in Molniya-type Highly Elliptical Orbit (HEO). Instead of imaging, JUMPSEAT collected electronic emissions, communications intelligence (COMINT), and foreign instrumentation signals (FISINT) from Soviet weapon systems.
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China Military Facilities What Satellites Reveal
2026-04-30
~ 6 min
(Article updated: 2026-04-30)
Satellite imagery is transforming how we understand China’s military expansion. From artificial island bases in the South China Sea to inland missile silo fields and massive naval shipyards, high-resolution data reveals infrastructure once hidden from view. This article explores how modern satellite analysis exposes strategic developments and reshapes global security insights.
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The ISS as a Flexible Eye on Our Changing Planet
2026-03-11
~ 4 min
(Article updated: 2026-03-11)
The International Space Station (ISS) plays a vital role in modern Earth Observation. Orbiting in Low Earth Orbit, it combines astronaut photography with advanced sensors to monitor natural disasters, climate change, atmospheric conditions, and urban development. Its unique orbit and real-time human observation provide valuable data that complements traditional satellite remote sensing.
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Airbus Pleiades Neo Next 20 cm Satellite Imagery in 2028
2026-01-30
~ 3 min
(Article updated: 2026-01-30)
Airbus announces the launch of its first Pléiades Neo Next satellite in early 2028, enhancing satellite imagery with 20-cm resolution. This programme boosts Earth observation for defence, agriculture, and more, ensuring higher revisit rates and geo-intelligence excellence. Discover how it advances geospatial tech.
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How to Add Satellite Imagery to QGIS Step-by-Step Tutorial
2025-12-16
~ 8 min
(Article updated: 2025-12-16)
Learn how to add, visualize, and analyze satellite imagery in QGIS using free, beginner-friendly methods. This guide covers XYZ tiles, WMS/WMTS services, and local raster files, plus practical tips for better rendering and analysis. Discover how tools like OnGeo streamline imagery selection, helping you move faster from raw data to actionable geospatial insights.
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