SpaceX Rocket Created Rare Jellyfish Effect Over Philly
The CRS-35 mission launch produced a visible light display in the upper atmosphere early Tuesday morning.
Updated on Oct. 13, 2026 in Space
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A SpaceX CRS-35 rocket launch on Tuesday morning created a notable space jellyfish effect, leaving the plume visible to residents in Philadelphia and Bucks County. The phenomenon occurs when rocket exhaust is illuminated by sunlight in the upper atmosphere while the ground remains in darkness.
Why it matters
The mission carries critical scientific payloads designed to advance research for life on Earth and future deep-space exploration. Specifically, investigators will study lab-grown human brain models to better understand astronaut brain health for upcoming lunar missions.
The Dragon spacecraft is currently on its fourth flight, carrying research that includes a five-week study on human brain models. This mission also incorporates investigations into crop diseases and antibiotic-resistant bacteria.
The players
SpaceX
This private aerospace company designs, manufactures, and launches advanced rockets and spacecraft.
The details
The stunning visual display was caused by rocket exhaust being lit by the sun at high altitudes while the sky in Pennsylvania was still dark. The cargo is scheduled to be integrated into the orbiting lab following a successful latching maneuver.
Timeline
The CRS-35 rocket launched at 6:33 a.m. EST on Tuesday.
The spacecraft is expected to latch onto the orbiting lab around 11 a.m. Thursday.
The Big Picture
This mission extends the International Space Station research program by transporting biological models for study in microgravity. The research serves as a critical component in developing long-term health protections for future lunar travel.
The biological samples aboard this mission could accelerate advancements in human medicine by revealing how brain tissue responds to long-term space environments. These findings will eventually inform the safety protocols used for future lunar missions.
The takeaway
The visual phenomenon served as a rare public reminder of the complex logistics behind modern orbital research. Residents interested in space flight should keep an eye on official mission updates for future docking schedules.
What happens next
The Dragon spacecraft is scheduled to latch on to the orbiting lab at approximately 11 a.m. Thursday.
Further reading
For more information on recent celestial events, visit the Space section.
Source note: This article includes information reported by WHP.
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