NASA’s PREFIRE mission has captured two full years of seasonal temperature changes at both the Arctic and Antarctic, illuminating how the poles experience dramatically different thermal swings and revealing critical insights about Earth’s energy system.
- Twin CubeSats track infrared heat pulses spanning two full years.
- Polar regions show contrasting seasonal temperature patterns.
- Data aids better weather and climate predictions globally.
What happened
NASA’s PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment) mission launched twin CubeSats in July 2024 that have now recorded two complete seasonal cycles at both the Arctic and Antarctic poles. These satellites collect data in the far-infrared spectrum, measuring surface temperatures and the invisible heat radiated from these remote regions.
The resulting animations reveal striking temperature contrasts between the poles: the Arctic experiences cold, dark winters and warm summers capable of thawing tundra and sea ice, while Antarctica remains bitterly cold year-round with summer temperatures seldom rising above freezing.
Why it feels good
Tracking this invisible heat is crucial because far-infrared radiation accounts for nearly 60% of Earth's energy lost to space. The poles are key players in Earth's energy budget, helping regulate climate by radiating excess tropical heat back into space via atmospheric and ocean circulation.
PREFIRE’s unique ability to observe this rarely measured spectrum in near real-time opens new doors for understanding rapid changes at the poles and their global implications. This knowledge supports efforts to refine climate and weather models impacting everything from shipping routes to ice sheet stability.
What to enjoy or watch next
Watch the new animations from the PREFIRE mission to witness the seasonal temperature swings at our planet's poles, highlighting the connection between sunlight absorption, infrared energy release, and climate dynamics. These visuals provide an engaging glimpse into the processes shaping Earth's environment.
Stay tuned for ongoing updates and research from NASA’s Earth science missions as they continue to improve climate prediction capabilities and deepen our understanding of Earth's intricate energy cycles, which are vital for communities, ecosystems, and global industries.