Isar Aerospace still commands top position among a new generation of European rocket startups, but the company's efforts to launch a critical test flight of its Spectrum rocket continue to encounter roadblocks.

The latest delay came Monday, when Isar scrubbed a launch attempt after "detecting off nominal behavior in the vehicle's fluid systems," according to a social media post. "The teams are analyzing the new data to isolate the root cause."

The two-stage, 92-foot-tall (28-meter) Spectrum rocket was awaiting liftoff from Andøya Spaceport in northern Norway. It was the fourth time in five months that Isar Aerospace, headquartered near Munich, Germany, had reached a target launch date for the second test flight of the Spectrum launch vehicle.

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Isar Aerospace still commands top position among a new generation of European rocket startups, but the company's efforts to launch a critical test flight of its Spectrum rocket continue to encounter roadblocks.

The latest delay came Monday, when Isar scrubbed a launch attempt after "detecting off nominal behavior in the vehicle's fluid systems," according to a social media post. "The teams are analyzing the new data to isolate the root cause."

The two-stage, 92-foot-tall (28-meter) Spectrum rocket was awaiting liftoff from Andøya Spaceport in northern Norway. It was the fourth time in five months that Isar Aerospace, headquartered near Munich, Germany, had reached a target launch date for the second test flight of the Spectrum launch vehicle.

Read full article

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The global space industry is expanding rapidly, with thousands of new satellites expected to enter orbit in the coming years. These spacecraft will support a wide range of activities, including internet services, Earth observation, scientific research, and even space tourism. While this growth promises many benefits, scientists are becoming increasingly concerned about its environmental impact. […]

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