NASA deployed two aircrafts to help state and local authorities in the continuing recovery operations, in response to the flood near Kerrville, Texas. The aircrafts are from NASA’s Disasters Response Coordination System, and is activated to support the emergency response for flood and is closely working with the Texas Division of Emergency Management, the humanitarian groups Save the Children and GiveDirectly, and the Federal Emergency Management Agency. Persistent cloud-cover over there has made it quite difficult to capture the clear satellite images.

NASA Deploys Aircraft with Advanced Sensors for Texas Flood Response

As reported by NASA, if this can be done, the NASA’s Airborne Science Program can concur a series of flights to fetch observations of te impacted areas. NASA is sharing this data with emergency response teams to inform the search and rescue efforts and help in resource allocation and decision making. WB-57 aircraft departed from Ellington Field on July 8, 2025 for conducting aerial surveys. The aircraft is loaded with the DyNAMITE which is known as Day/Night Airborne Motion Imager for Terrestrial Environments sensor.

Real-Time Data and Imagery Aid Emergency Teams and Flood Recovery Efforts

The DyNAMITE views the Guadalupe River and many miles of the surrounding area, and provides high-resolution imagery which is important to evaluate the damage and support coordination of the foundation-based recovery efforts. This system enables the real-time data collection and analysis, which enhances the situational awareness and enhancing emergency response times.

Further, the agency’s Uninhabited Aerial Vehicle Syntehtic Aperture Radar (UAVSAR) aboard the Gulfstream III. UAVSAR is managed by Jet Propulsion Laboratory in Southern California and is planning to collect the observations over the Guadalupe, San Gabriel, and Colorado river basins on three weekdays, Wednesday, Thursday, and Friday. It can penetrate the vegetation to see water that sensors are unable to detect. The goal of the team is to characterise the flood extent of flood and help the understanding of the damage amount within communities.

Further, the Disasters are being coordinated with FEMA, the local responders and the Texas Division of Emergency Management for ensuring the data is quickly delivered to the decision making people on the ground. The data is being shared on the NASA Disasters Mapping Portal as soon as it is available.

When NASA’s DART spacecraft smashed into the asteroid moon Dimorphos in 2022, it was more than proof that a kinetic impactor can nudge the orbit of an asteroid. The impact created about 100 large boulders, some of which had greater than three times the spacecraft’s momentum. These high-speed ejecta added unanticipated forces that may complicate future planetary defence efforts. Using data from Italy’s LICIACube—an observer satellite deployed during the mission—a University of Maryland-led team tracked the rocks’ locations and velocities, revealing a complex and potentially disruptive impact legacy.

DART’s Boulder Ejecta Could Disrupt Asteroid Deflection, New Study Warns of Hidden Forces

As per a study in Planetary Science Journal published on July 4, 2025, the team discovered that the boulders weren’t scattered randomly but instead clustered into two clear groups, indicating unknown mechanisms at work. Lead author Tony Farnham noted that this added momentum, largely perpendicular to the spacecraft’s trajectory, might have tilted Dimorphos’ orbit and introduced unpredictable rotation. The largest cluster, travelling southward at shallow angles, likely originated from two larger surface boulders struck moments before the main impact.

Second author Jessica Sunshine explained that DART’s solar panels may have shattered these large boulders, Atabaque and Bodhran, creating chaotic debris patterns. In contrast to NASA’s earlier Deep Impact mission—which hit a dustier target and produced smoother ejecta—DART’s rocky terrain resulted in filamentary structures. The results emphasise how varied the surfaces of asteroids can be and how that variety can affect the practicality of deflection techniques, complicating mission-level planning.

The debris kicked out would transfer momentum, shifting the asteroid’s orientation in space — an aspect that had not been accounted for in previous models. Unaccounted for, these forces may have led to future missions missing their deflection targets. Sunshine emphasised that such subtle forces are critical, likening future planetary defence efforts to “a cosmic pool game” where missing a shot could have planetary consequences.

ESA’s Hera mission, to the Didymos-Dimorphos system in 2026, will demonstrate these predictions and reveal more about the physics of the boulder-flying impact. The need for two points of view is already apparent from the LICIACube data, Farnham stressed. With Hera’s help, researchers aim to refine their models to better prepare for the next real-life asteroid threat.

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