NICER
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Press Releases
NICER Status Updates
August 5, 2025 Science Observations Remain Paused for NASA’s NICER Telescope Science operations by NASA’s NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, remain paused as the team continues to evaluate the telescope’s systems after an issue developed with one of its motors. The motor is unable to move NICER beyond its current position…
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NASA
NICER Status Updates
June 24, 2025 NASA’s NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, has paused observations due to a problem with one of the motors that drives its ability to track cosmic objects. The NICER team paused operations June 17 when performance degradation in the motor began affecting science observations. Engineers are investigating the cause…
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NASA
NASA’s NICER Maps Debris From Recurring Cosmic Crashes
Lee esta nota de prensa en español aquí. For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA’s NICER (Neutron star Interior Composition Explorer) and other missions. Scientists have only recently encountered this class of X-ray flares, called QPEs, or quasi-periodic eruptions. A system astronomers have nicknamed Ansky…
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NASA
NICER Status Update
NASA’s NICER Continues Science Operations Post Repair NASA crew aboard the International Space Station installed patches to the agency’s NICER (Neutron star Interior Composition Explorer) mission during a spacewalk on Jan. 16. NICER, an X-ray telescope perched near the station’s starboard solar array, resumed science operations later the same day. The patches cover areas of NICER’s thermal shields where damage…
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NASA
Suni Williams Conducts Spacewalk
NASA astronaut Suni Williams is seen outside the International Space Station during the Jan. 16, 2025, spacewalk where she and fellow NASA astronaut Nick Hague replaced a rate gyro assembly that helps maintain the orientation of the orbital outpost. It was the fourth spacewalk for Hague and the eighth for Williams. Williams and Hague also installed patches to cover damaged…
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NASA
Astronaut Set to Patch NASA’s X-ray Telescope Aboard Space Station
NASA astronaut Nick Hague will install patches to the agency’s NICER (Neutron star Interior Composition Explorer) X-ray telescope on the International Space Station as part of a spacewalk scheduled for Jan. 16. Hague, along with astronaut Suni Williams, will also complete other tasks during the outing. NICER will be the first NASA observatory repaired on-orbit since the last servicing mission for the Hubble…
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