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Science in the field

Mission directory

Observing campaigns and expeditions contribute to different parts of the research portfolio. Explore their scientific purpose, methods and public records.

ASTER view of the Mississippi River Delta

Earth Environmental Monitoring

Arbor

Water, coasts and changing landscapes.

Arbor connects remote observations of water and coastal systems with field records, helping research teams establish which comparisons are reliable.

Mission profile →

NASA/JPL heritage image · Terra/ASTER Mississippi River Delta · Credits

NASA Blue Marble composite showing Earth

Earth Environmental Monitoring

Boreal

A continuous record of polar change.

Boreal coordinates observations of snow, ice and seasonal conditions, with attention to the continuity of long environmental records.

Mission profile →

Global context · NASA/Goddard/Reto Stöckli Blue Marble composite; not a Boreal instrument product · Credits

Hurricane Genevieve photographed from the International Space Station

Celestial Standards / Space environment

Helios Array

Compare the Sun and the space environment.

Helios Array supports coordinated solar and space-environment observations and the comparison of independent instruments.

Mission profile →

Earth observation heritage · NASA/JSC, Hurricane Genevieve, 2020; not a Helios solar observation · Credits

NASA Spitzer image of the Helix nebula

Celestial Standards

Meridian

A shared reference that can be examined.

Meridian brings observatories together to compare measurements, maintain common references and document the revisions that make a sky record usable.

Mission profile →

Historical sky imagery · NASA/JPL, Spitzer Helix nebula, 2007; not a post-Break reference catalogue · Credits

Expedition Science

Avenra

Remote reconnaissance, instruments and a three-person scientific expedition support investigation of a planetary environment. Avenra’s observations and public releases have a dedicated mission archive.