
The upcoming ASCEND 2026 conference will host the prestigious Pickering Lecture, centered on the initial scientific returns from the NISAR mission. This joint NASA-ISRO Synthetic Aperture Radar project represents one of the most ambitious Earth observation collaborations to date.
Scheduled as a highlight of the conference, the lecture will present some of the earliest data and insights gathered since the satellite became operational. Organizers expect the session to draw significant attention from the global space and Earth science community.
NISAR is designed to observe Earth's land and ice-covered surfaces with unprecedented clarity and frequency. The satellite uses dual-frequency radar—L-band and S-band—to penetrate cloud cover and see through vegetation, providing data on surface deformation, forest structure, and changes in ice sheets.
For Indian scientists, the mission offers a chance to monitor the subcontinent's agricultural health, monitor glacial movements in the Himalayas, and track seismic activity along fault lines. The collaboration has been a landmark in US-India space ties.
The Pickering Lecture will focus on the mission's first six months of operation. Early calibrations and observations are already yielding surprises, according to sources familiar with the mission's progress. Researchers are particularly keen on the radar's ability to detect subtle ground movements—millimeter-scale shifts that could improve earthquake early warning models.
Another area of focus is the monitoring of deforestation and wetland dynamics in tropical regions. The mission's frequent revisit time—every 12 days—allows for near-real-time tracking of environmental changes that were previously difficult to measure from space.
The Pickering Lecture is named after William H. Pickering, a pioneer in space exploration who helped shape early NASA missions. It is traditionally reserved for presentations that push the boundaries of space science and technology. By dedicating this year's lecture to NISAR, the ASCEND organizing committee is signaling the mission's significance.
The lecture will be delivered by a senior scientist from either NASA or ISRO, though the exact speaker has not been formally announced. The session will include a Q&A period, allowing attendees to probe the details of the data and its implications.
As NISAR continues its primary mission, scientists expect a flood of new findings over the next few years. The data will be made publicly available, enabling researchers worldwide to study everything from urban subsidence to groundwater depletion. For now, the Pickering Lecture offers a first look at what the mission has already revealed—and what questions it will help answer next.