Space News Mission Log — Satellite Launches, Orbital Events & Analysis
Daily space news, satellite launch reports, orbital debris analysis and weekly roundups — grounded in live tracking data from our network monitoring 216 published reports.
Satellite Imagery Explained: How Earth Observation Works
Satellite imagery is the process of capturing images of Earth from orbiting satellites, providing vital data for environmental monitoring, mapping, and more.
Landsat 9: Earth Observation from 705 km
Landsat 9 is the latest satellite in the long-running Landsat programme, a joint initiative by NASA and the United States Geological Survey (USGS) to monitor Earth's surface. Launched on 27 September 2021, Landsat 9 continues a legacy of Earth observation that began in 1972 with the launch of Landsa
Terra: NASA's Flagship Earth Observing System Platform
Launched on 18 December 1999, Terra is a cornerstone of NASA's Earth Observing System (EOS), designed to monitor and understand key aspects of the Earth's climate and environmental systems. The satellite carries a suite of scientific instruments aimed at collecting data on the atmosphere, land, and
Landsat Satellites: Comprehensive Guide to Earth Imaging
Landsat satellites provide critical Earth imagery for monitoring natural resources and environmental changes, revolutionising remote sensing.
Understanding Polar Orbits: Key Facts and Uses
Polar orbits pass over the Earth's poles, allowing satellites to scan the entire surface. They are crucial for Earth observation missions.
Understanding Satellite Orbits: LEO, MEO, GEO and Beyond
Satellite orbits, including LEO, MEO, and GEO, define how satellites move and function in space. Each orbit serves unique purposes.
Envisat: The Giant Dormant Satellite and Its Collision Risk
Envisat, launched by the European Space Agency (ESA) on 1 March 2002, was one of the largest Earth observation satellites ever constructed. With a mass of approximately 8,211 kilograms and dimensions akin to a double-decker bus, Envisat carried ten sophisticated instruments designed to monitor the E
Sentinel-6: Measuring Sea Level from Orbit
Sentinel-6 Michael Freilich is an Earth observation satellite dedicated to measuring sea level changes with unprecedented accuracy. Launched on 21 November 2020, it is part of the European Union's Copernicus programme, designed to provide critical data for climate monitoring and weather forecasting.
Unveiling Olympus Mons: Mars' Towering Giant
Discover Olympus Mons, Mars' colossal volcano, towering nearly three times higher than Earth's Mount Everest.
Aqua: Tracking Earth's Water Cycle from Orbit
Aqua is a NASA satellite dedicated to the study of Earth's water cycle, launched on 4 May 2002. It forms part of NASA's Earth Observing System (EOS) and is tasked with collecting data on precipitation, evaporation, and the cycling of water.
The Dance of Satellites: A Modern Celestial Ballet
Discover the intricate dance of 17,817 active satellites orbiting Earth, including 10,479 Starlink units, in a vast celestial ballet.
Hubble Space Telescope: 35+ Years of Discovery
The Hubble Space Telescope (HST) is a large, space-based observatory launched into low Earth orbit by the Space Shuttle Discovery on April 24, 1990. It is a joint project between NASA and the European Space Agency (ESA).