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  • Celebrating ESA’s first small satellite with science success

    Scientists and data users gathered at a special workshop to celebrate the end of PROBA-1’s CHRIS sensor and discuss the results of this overachieving mission.

  • Space helps monitor Earth’s changing biosphere

    Earth’s biosphere is continually changing. Through its pioneering Earth observation missions, ESA is making critical contributions to monitor these changes and their impacts on Earth’s water and carbon cycles.

  • PROBA-1 - From technology demonstration to long-term Earth observation

    Learn about ESA's PROBA-1 (Project for On-Board Autonomy) mission in our new infographic.

  • PROBA-1 CHRIS Level 1A

    CHRIS acquired a set of up to five images of each target during each acquisition sequence, these images were acquired when PROBA-1 was pointing at distinct angles with respect to the target. CHRIS Level 1A products (supplied in HDF data files, version 4.1r3) include five formal CHRIS imaging modes, classified as modes 1 to 5: Mode Name Swath Spectral Bands/Ground Resolution Mode 1 Aerosols 13 km 62 at 34 m (773 nm / 1036 nm) Mode 2 Water bands 13 km 18 at 18 m Mode 3 Land channels 13 km 18 at 18 m Mode 4 Chlorophyll band set 13 km 18 at 18 m Mode 5 Land channels 6.5 km 37 at 18 m Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

  • Earth Online Newsletter - 23 February 2024

    This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.

  • Dragon 2 Cooperation Programme

    The Dragon 2 Programme focussed on the exploitation of ESA, ESA's Third Party Missions and Chinese Earth observation data for science and applications development in land, ocean and atmospheric applications.

  • PROBA-1

    PROBA-1 is a technology demonstration satellite that later became an operational Earth observation mission.

  • 4th CHRIS PROBA Workshop

    Workshop on the treatment of Compact High Resolution Images Spectrometer (CHRIS) data.

  • 3rd CHRIS PROBA Workshop

    This 2005 workshop was on the treatment of Compact High Resolution Images Spectrometer (CHRIS) data.

  • CEOS-IVOS Workshop on Inter-comparison of Large Scale Optical and Infrared Sensors

    The 2004 workshop was an opportunity to present and exchange experiences and knowledge from work on inter-comparing large scale optical sensors at different product levels.

  • 2nd CHRIS PROBA Workshop

    This 2004 workshop was on the treatment of Compact High Resolution Images Spectrometer (CHRIS) data.

  • Earth-from-Space-Asia-and-Oceania.pdf

    This brochure is a collection of Envisat MERIS, Envisat ASAR, Envisat AATSR and Proba CHRIS mosaics of Asia and Oceania.

  • Earth-from-Space-Middle-East.pdf

    This brochure is a collection of ENVISAT ASAR and MERIS, PROBA, ERS-2, Landsat mosaics.

  • Earth-from-Space-North-America.pdf

    This brochure is a collection of Envisat MERIS, Envisat ASAR, Envisat AATSR, ERS, Proba and SPOT mosaics of North America.