Why a SpaceX Launch Looked Like a Glowing Jellyfish
Falcon 9（ファルコン・ナイン）
SpaceX's launch rocket.
CRS-35（シーアールエス・サーティファイブ）
SpaceX's 35th cargo mission to the ISS under NASA's resupply program.
plume（プルーム）
The spreading exhaust cloud behind a rocket.
What happened
Before sunrise on Oct. 13, 2026, a huge glowing shape appeared over Florida. SpaceX, a space company, launched a Falcon 9 rocket from Cape Canaveral Space Force Station. Dragon, an uncrewed cargo spacecraft, rode on top. The launch sent Dragon toward the International Space Station, or ISS.
The shape spread behind the rocket. It showed orange and blue light and gas. From the ground, its outline looked like a jellyfish. The image was linked to CRS-35, SpaceX's 35th mission to the ISS under NASA's Commercial Resupply Services agreement.
The mission behind the picture
CRS-35 was not a display flight. Dragon was carrying supplies for the station. The cargo included medical supplies, food, clothing, scientific experiments, and other equipment. The same launch, therefore, had a practical job. The glowing cloud was a visible side effect of that flight.
The launch article said Dragon would take a couple of days to reach the station. It was expected to dock by itself with the station. That plan helps explain why the rocket and the cloud mattered. They marked the start of a delivery journey to an orbiting laboratory.
Why did the plume glow?
A rocket releases gases after liftoff. The report identifies water vapor and carbon dioxide in the exhaust. High in the sky, the air is extremely cold. Some of those gases begin to freeze into ice crystals.
Timing changes the view. This launch happened before sunrise. The ground and lower sky were still dark. Sunlight could reach the high plume, however. The light caught the frozen material while the landscape stayed shadowed. That contrast made the plume stand out.
Why the image matters
This was not a new object in space. It was a launch plume under unusual lighting. It also was not an alien arrival, and the report says the sight was not dangerous. The value of the image is explanatory. It connects a familiar event, a rocket launch, with temperature, exhaust, and sunlight.
The picture also shows why timing belongs in spaceflight stories. The rocket did not need a special new payload to create the view. The launch path and the hour of the launch were enough to make ordinary exhaust visible from far away.
What is confirmed
The reported facts are clear. Falcon 9 launched from Florida on Oct. 13. Dragon was the cargo vehicle. CRS-35 was a SpaceX resupply mission for NASA and the ISS. The glowing plume appeared after liftoff. Water vapor, carbon dioxide, cold upper air, and dawn sunlight provide the reported explanation.
What remains unknown
The available report does not give the plume's exact height, width, or lifetime. It does not measure how much each gas shaped the colors. One image also cannot establish how the view changed for people at different distances. The word jellyfish describes the appearance. It does not name a real space creature or a new astronomical object.
What to watch next
The article notes that a launch near sunset can create a similar effect. Future dawn and sunset launches can provide useful comparisons. Viewers can compare official launch footage with sky photographs. They can look for changes in the plume as sunlight, darkness, and altitude shift.
CRS-35's main purpose was delivery. The jellyfish-like plume made that mission visible from Earth. It turned a routine launch moment into a clear lesson about how a rocket can light up the sky.
Source: Space.com
Why Rocket Exhaust Looked Like a Jellyfish
📰 Full story: Why a SpaceX Launch Looked Like a Glowing Jellyfish
A rocket launch before sunrise made a strange, bright cloud.
exhaust（イグゾースト）
Gases released behind a rocket.
ice crystals（アイス・クリスタルズ）
Tiny pieces of frozen water.
ISS（アイ・エス・エス）
The International Space Station, an orbiting research lab.
💡 The gist
- SpaceX launched a rocket before sunrise.
- Its exhaust made a bright cloud.
- Sunlight made the cloud look unusual.
What did people see?
On Oct. 13, 2026, a rocket rose from Florida. SpaceX, a space company, launched Falcon 9. Falcon 9 is a rocket for reaching space. Dragon, a cargo spacecraft, rode on top. The mission sent Dragon toward the International Space Station, or ISS. The mission was called CRS-35.
The cloud spread behind the rocket. It looked orange and blue. People compared its shape with a jellyfish. That name describes its look. It does not mean a real animal was there.
Why did the cloud shine?
Rocket exhaust contains gases. The report names water vapor and carbon dioxide. Water vapor is water in gas form. High air is very cold. Some of the gases freeze into ice crystals.
The launch happened before sunrise. The ground was still dark. Sunlight reached the high cloud. The bright cloud stood out against the dark sky.
This timing explains the strange view. A launch at another hour might look different. The rocket did not create a star. It made an exhaust plume. The report says the sight was not dangerous.
What was the rocket doing?
CRS-35 was a supply mission for NASA and the ISS. Dragon carried medical supplies, food, clothing, and experiments. It also carried other equipment. The cloud was a side effect of a delivery flight. The mission's useful work was happening inside Dragon.
What is still unknown?
The report does not give the cloud's exact height. It does not give its exact width or lifetime. One photograph cannot answer those questions. It also cannot show how the cloud looked everywhere.
What should we watch?
Similar clouds can appear near sunset. Future launches may offer new comparisons. Photos and launch videos can show the changes. They can connect sunlight, cold air, and rocket exhaust.
The Sky Grew a Glowing Jellyfish
📰 Full story: Why a SpaceX Launch Looked Like a Glowing Jellyfish
A rocket left a bright cloud before sunrise.
Dragon（ドラゴン）
A cargo spaceship.
ISS（アイ・エス・エス）
A research station in space.
carbon dioxide（カーボン・ダイオキサイド）
A gas released with rocket exhaust.
What happened?
SpaceX, a space company, sent up a rocket. The rocket was Falcon 9, a big rocket. Dragon, a cargo spaceship, rode on it. Dragon was going to the ISS, a space research station.
The rocket left a cloudy trail. The trail spread across the dark morning sky.
Why did it shine?
Water gas came out of the rocket. Carbon dioxide came out too. The high sky was very cold. Some water froze into tiny ice bits. Sunlight touched those bits. The ground was still dark. The bright cloud stood out. It looked like a jellyfish.
Was it alive?
No. It was not a real animal. It was rocket exhaust. The sight was not dangerous.
Dragon carried things to the ISS. The launch was a delivery trip.
What comes next?
A sunset launch might make another bright cloud. That happens when sunlight meets a high cloud.