The glowing “jellyfish” that spread across the predawn sky over the eastern United States was not an alien arriving early for Halloween. It was sunlight catching the expanding exhaust from a SpaceX Falcon 9 as the rocket carried a Dragon cargo spacecraft toward the International Space Station.
NASA photographed the display after liftoff at 6:33 a.m. EDT on October 13, 2026, from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. The agency calls the visual effect a rocket jellyfish because the illuminated plume forms a bright head with long, drifting tendrils. The mission itself was SpaceX’s 35th commercial resupply flight for NASA, carrying more than 6,300 pounds of science, equipment and supplies.
Why a rocket can turn into a glowing jellyfish
The effect depends on timing and perspective. A launch near sunrise or sunset can climb into sunlight while observers below are still standing in darker sky. At high altitude, the rocket’s exhaust expands much more dramatically than it does near the ground because the surrounding air is thinner. Sunlight lights that widening cloud from beyond the local horizon, making the plume appear brighter than the sky behind it.
The result can look enormous because viewers are not seeing a solid object with clear edges. They are seeing exhaust spread, curl and change shape as the vehicle moves through different layers of atmosphere. Multiple burns and stage events can add separate bright features. In this case, NASA’s image shows the plume glowing above a line of silhouetted trees, a properly strange visual for a flight doing very practical work.
NASA’s image article says the exhaust was visible across the eastern United States. That broad view does not mean the rocket flew over every observer who saw it. High-altitude plumes can be visible across a large region when lighting and weather cooperate.
The cargo behind the spectacle reached the station
The light show was brief, but Dragon’s trip continued. NASA confirmed that the uncrewed spacecraft docked to the space-facing port of the station’s Harmony module on October 15. The Expedition 75 crew then began unloading samples and activating experiments.
Among the most visually science-fictional projects is Lambda-Vision-1, which investigates manufacturing artificial retinas in microgravity. The process builds the material one thin layer at a time. NASA says reduced settling in microgravity may produce more uniform and stable layers, potentially improving the performance of future implants. That is a research goal, not a finished treatment being delivered from orbit.
Another experiment, Stellar Spheroids, studies the growth and function of three-dimensional human heart-tissue models. Researchers will examine whether microgravity helps the tissue form more advanced vascular networks. Better models could support disease research and larger-scale drug testing, but the station experiment is an early technical step rather than a clinical trial.
Brain organoids, unusual glass and the station’s last new solar-array pair
The MINDS investigation uses brain organoids, small laboratory-grown models made from human cells, to study inflammation associated with neurodegenerative disease. Its “organoid villages” combine cells from multiple people so researchers can represent more patient diversity in one experiment. NASA says the work may help identify treatment targets for conditions including Alzheimer’s disease, Parkinson’s disease and multiple sclerosis. “May help” is doing important work there; the experiment is designed to reveal biological clues, not to promise a cure.
Dragon also delivered materials for ELF-Unconventional Glass 2. Researchers will watch glass made from nontraditional elements form in microgravity, where buoyancy and sedimentation behave differently. The solid samples are intended to return to Earth for analysis, with possible long-term applications in stronger or more capable optical materials.
The cargo included the final pair of International Space Station Roll-Out Solar Arrays. Once installed during planned spacewalks, they will complete an augmentation of the station’s power system. NASA says the additional electricity will support research and daily operations as well as the station’s eventual safe, controlled deorbit.
A spectacular photograph attached to a working cargo run
The rocket jellyfish is the part built for sharing: a luminous creature apparently swimming across the morning sky. The mission behind it is less instantly photogenic but more consequential. Hardware for retinas, heart tissue, brain models, materials research and station power all rode beneath that plume.
That contrast is what makes the image useful. It turns an ordinary truth of orbital logistics into something visible from hundreds of miles away. For a few minutes, the machinery of resupplying a laboratory in space painted its route across the atmosphere. Then the show faded, Dragon kept climbing and the experiments went to work.
Sources: NASA’s CRS-35 launch-jellyfish image article, October 14, 2026; NASA’s CRS-35 mission and science overview; NASA’s October 16 station update.
Featured image credit: NASA/Bill White, NASA ID KSC-20261013-PH-BWW01_0001. Used for factual editorial coverage under NASA’s Media Usage Guidelines.
