Science & Technology
NASA's DISSOLUTION Mission Takes First Multi-Point Look Inside Radio-Disrupting Clouds
NASA launched the DISSOLUTION sounding rocket mission from Andøya Space in Norway to investigate Polar Mesospheric Clouds (PMCs), which form roughly 50 miles high and can interfere with radio communications. For the first time, the mission deployed five separate payloads—a main instrumented section and four smaller 'daughter' payloads—to collect simultaneous, multi-point measurements from within these clouds. The goal is to understand the plasma turbulence that occurs around PMCs and causes strong radar echoes, known as Polar Mesospheric Summer Echoes (PMSE), which can disrupt GPS and other communication signals. This novel approach aims to create a more detailed picture of the atmospheric dynamics that affect critical technologies.
By Obvious Later Editorial · Updated
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What changed
For the first time, scientists have collected simultaneous, multi-point measurements from within Polar Mesospheric Clouds (PMCs). The DISSOLUTION sounding rocket mission deployed a main payload and four smaller deployable payloads to study the plasma environment from multiple locations at once, a departure from previous single-point measurements.
Why it matters
Understanding how high-altitude clouds disrupt radio signals is crucial for ensuring the reliability of modern communication and navigation systems, including GPS and satellite communications. As society's reliance on these technologies increases, mitigating signal disruptions caused by atmospheric phenomena like PMCs is vital for both civilian and military applications in polar regions.
The surprising part
While the mission's primary goal is to study radio interference, the data on Polar Mesospheric Clouds also serves as a sensitive indicator of conditions in the upper atmosphere. The formation and characteristics of these clouds are tied to temperature and water vapor, making them a valuable tool for monitoring long-term atmospheric changes that extend beyond immediate communication concerns.
By the numbers
Straight from the source, no rounding.
- 50 milesIts objective is to study Polar Mesospheric Clouds (PMCs), which form about 50 miles (80 kilometers) above Earth.
- The mission, named DISSOLUTION, was launched on a sounding rocket from Andøya Space in Norway.
- PMCs can cause Polar Mesospheric Summer Echoes (PMSE), which are strong radar echoes that disrupt radio communications.
- The mission deployed one main payload and four smaller payloads to gather the first-ever simultaneous multi-point measurements inside PMCs.
- The research aims to understand the plasma turbulence within and around these clouds, which is a cause of radio signal disruption.
What to watch next
How we'll know if this is real.
Next
The analysis of the combined data from the five payloads to create a 3D model of the plasma turbulence within the clouds.
Next
Scientific publications detailing the relationship between PMCs, plasma irregularities, and the resulting disruption to radio signals.
Next
Potential improvements in predictive models for radio communication interference in polar regions based on the mission's findings.
Evidence and sources
Citations link to the primary sources used to compile this signal.