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Category Archives: Spacex
SpaceX delays Crew-8 astronaut launch for NASA to March 2 due to bad weather – Space.com
SpaceX has delayed its first NASA astronaut launch of 2024 to no earlier than Saturday (March 2) due to offshore weather concerns near the mission's Florida launch site.
The four-astronaut SpaceX mission, called Crew-8, will now lift off on a Falcon 9 rocket no earlier than Saturday night at 11:16 p.m. EST (0416 on March 3 GMT) from Pad 39A of the U.S. space agency's Kennedy Space Center in Cape Canaveral. It's the latest schedule slip for the launch, which was initially given a Feb. 22 launch date.
Read more: SpaceX Crew-8 astronaut mission: Live updates
"Joint teams selected the updated launch opportunity due to unfavorable weather conditions forecast for Friday, March 1, in offshore areas along the flight track of the Dragon spacecraft," NASA wrote in a mission update just after midnight on Feb. 29. "High wind and waves along the eastern seaboard have been observed and are forecast to continue through Saturday morning."
Unsteady sea conditions could pose safety concern for recovery teams if SpaceX's Dragon capsule suffers a launch emergency that forces the capsule to abort in mid-flight and splashdown in the cold waters of the Atlantic Ocean.
"In the unlikely case of an abort during launch or the flight of Dragon, the wind and wave conditions must be within acceptable conditions for the safe recovery of the crew and spacecraft," NASA officials wrote in the update.
SpaceX's Crew-8 mission will launch NASA astronauts Matthew Dominick, Michael Barratt, Jeanette Epps, and Russian cosmonaut Alexander Grebenkin to the International Space Station to begin a six-month mission in orbit. The astronauts are due to return to Earth in late August.
NASA and SpaceX initially hoped to launch the Crew-8 mission on Feb. 22, but delayed it to Feb. 28, then to just after midnight on March 1, to allow more time between an earlier SpaceX launch on Feb. 18 from the same pad.
Crew-8 will mark SpaceX's ninth crewed flight for NASA under a multi-billion-dollar agreement to fly astronauts to and from the space station. SpaceX has been flying astronaut missions for NASA since May 2020. A second company, Boeing, is expected to begin its own crewed flights for NASA in April using its own Starliner spacecraft.
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SpaceX delays Crew-8 astronaut launch for NASA to March 2 due to bad weather - Space.com
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NASA’s SpaceX 30th Resupply Mission to Launch Experiments to Station – NASA
NASA and the agencys international partners are sending scientific investigations to the International Space Station on the 30th SpaceX commercial resupply services mission, including tests of technologies to monitor sea ice, automate 3D mapping, and create nanoparticle solar cells. The companys Dragon cargo spacecraft is scheduled to launch from Cape Canaveral Space Force Station in Florida in early March.
Read more about some of the research making the journey to the orbiting laboratory:
Plants can be used in regenerative life support systems, to provide food, and to contribute to the well-being of astronauts on future deep space exploration missions. C4 Photosynthesis in Space (APEX-09) examines how microgravity affects the mechanisms by which two types of grasses, known as C3 and C4, capture carbon dioxide from the atmosphere.
Plants respond to stressful conditions based on their genetic makeup and the environment, said Pubudu Handakumbura, principal investigator with the Pacific Northwest National Laboratory. We aim to uncover the molecular changes involved in plants exposed to spaceflight stressors and develop an understanding of the mechanisms of photosynthesis in space. Results could clarify plant responses to stressful environments and inform the design of bio-regenerative support systems on future missions, as well as systems for plant growth on Earth.
The ocean significantly affects the global climate. A technique called Global Navigation Satellite System reflectometry (GNSS-R), which receives satellite signals reflected from the surface of Earth, shows promise as a way to monitor ocean phenomena and improve climate models. Killick-1: A GNSS Reflectometry CubeSat for Measuring Sea Ice Thickness and Extent (Nanoracks KILLICK-1) tests using this technique to measure sea ice. The project supports development of space and science capabilities in Newfoundland and Labrador, Canada, by providing hands-on experience with space systems and Earth observation. More than 100 undergraduate and graduate engineering students participated in the project.
The most exciting aspect of this project is that students have the opportunity to launch a mission into space, said Desmond Power, a co-investigator with C-CORE of Canada. It is also exciting to build a tiny satellite that does different things, including contributing to our knowledge of climate change.
GNSS-R technology is low-cost, light, and energy efficient. Its potential applications on Earth include providing data for weather and climate models and improving the understanding of ocean phenomena such as surface winds and storm surge.
The Multi-resolution Scanner (MRS) Payload for Astrobee (Multi-Resolution Scanning) tests technology to automate 3D sensing, mapping, and situational awareness systems.
Our MRS on an Astrobee free-flying robot will create 3D maps inside the space station, said Marc Elmouttie, project lead with Australias national science agency, CSIRO, which developed the technology with The Boeing Company. The scanner integrates technologies developed by our mining and robotics teams. By combining data from multiple sensors, we compensate for weaknesses in any one system. This provides very high-resolution 3D data and more accurate trajectory data to help us understand how the robot moves around in space.
The technology could be used to autonomously operate spacecraft with minimal or no human occupancy where robots must sense the environment and precisely maneuver, including the lunar Gateway space station, said Principal Investigator Connie Miller of Boeing. Other uses could be to inspect and maintain spacecraft and for autonomous vehicle operations on other celestial bodies. Results also support improvements in robotic technologies for harsh and dangerous environments on Earth.
The Nano Particle Haloing Suspension investigation examines how nanoparticles and microparticles interact within an electrical field. A process called nanoparticle haloing uses charged nanoparticles to enable precise particle arrangements that improve the efficiency of quantum-dot synthesized solar cells, according to Stuart J. Williams, principal investigator with the University of Louisville Department of Mechanical Engineering.
Quantum dots are tiny spheres of semiconductor material with the potential to convert sunlight into energy much more efficiently. Conducting these processes in microgravity provides insight into the relationship between shape, charge, concentration, and interaction of particles.
The investigation is supported by NASAs Established Program to Stimulate Competitive Research (EPSCoR), which partners with government, higher education, and industry on projects to improve a research infrastructure and research and development capacity and competitiveness.
Download high-resolution photos and videos of the research mentioned in this article.
Melissa Gaskill International Space Station Program Research Office Johnson Space Center
Search this database of scientific experiments to learn more about those mentioned above.
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NASA's SpaceX 30th Resupply Mission to Launch Experiments to Station - NASA
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SpaceX, NASA ‘go’ to launch Crew-8 astronaut mission to ISS on March 2 – Space.com
SpaceX and NASA are officially go to launch their next astronaut mission to International Space Station (ISS) this week, with its four-person crew arriving at their Florida launch site on Sunday (Feb. 25).
Called Crew-8, the upcoming SpaceX mission will launch four astronauts into orbit on the Dragon capsule Endeavour and Falcon 9 rocket from Pad 39A of NASA's Kennedy Space Center in Cape Canaveral. Liftoff is scheduled for March 2 at 11:16 p.m. EST (0416 GMT on March 3).
Related: 8 ways SpaceX has transformed spaceflight
"Even though we all go today, we're constantly paying attention to what the rocket and spacecraft are telling us so that we'll make sure that we launch when the crew and the spacecraft are ready to go, and we're ready to have a good flight to the station and a good return," Ken Bowersox, NASA's associate administrator for space operations and a former astronaut, told reporters in a Sunday night teleconference.
SpaceX's Crew-8 mission for NASA will launch NASA astronauts Matthew Dominick, Michael Barrett, Jeannette Epps and Russian cosmonaut Alexander Grebenkin on a six-month expedition to the ISS. They will relieve their Crew-7 predecessors, another four-astronaut team, who will return to Earth on a SpaceX Dragon a week after Crew-8 reaches the ISS.
Dominick will command the Crew-8 flight to the ISS with Barrett as pilot. Epps and Grekenkin are mission specialists. The mission is the first career spaceflight for all but Barrett on the Crew-8 team. NASA and SpaceX initially aimed to launch Crew-8 to the ISS on Feb. 22, but delayed it to March 1 to clear a path for a private moon launch on a SpaceX Falcon 9 from their same launch pad on Feb. 15.Bad weather pushed the liftoff back again, to March 2.
The Crew-8 astronauts arrived at the Kennedy Space Center on Sunday afternoon as they spend their final days on Earth ahead of launch. The quartet will perform a dress rehearsal for their launch overnight on Monday and Tuesday, with SpaceX expected to perform a so-called "hot-fire" test of the Falcon 9's first stage engines a day later.
Steve Stich, NASA's Commercial Crew Program manager, told reporters Sunday that NASA and SpaceX are working through some final issues to clear ahead of the Crew-8 launch. Those include reviews of composite material fasteners on the Dragon/Falcon 9 launch vehicle for Crew-8 that are expected to be resolved before flight. Engineers are also reviewing some paint discoloration on Crew-7's Dragon capsule currently docked at the ISS, apparently due to residue tape on the capsule, to ensure it's not an issue for reentry and landing.
Crew-8 will mark the fifth flight of the Crew Dragon capsule Endeavour, which first flew astronauts to the ISS in May 2020 on SpaceX's first-ever human spaceflight, Demo-2. SpaceX and NASA are currently working to certify the reusable Dragon capsules for up to 15 spaceflights, NASA officials said.
SpaceX is one of two commercial companies with multi-billion-dollar contracts to fly astronauts to and from the ISS for NASA. The other company, Boeing, aims to launch the first crewed flight on its Starliner spacecraft no earlier than April 22.
Editor's note: This story was updated at 1:20 a.m. ET on Feb. 29 with news of the launch delay to March 2.
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SpaceX, NASA 'go' to launch Crew-8 astronaut mission to ISS on March 2 - Space.com
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FAA closes investigation into second Starship test flight – SpaceNews
WASHINGTON The Federal Aviation Administration has closed its investigation into the second Starship/Super Heavy launch in November, bringing SpaceX a step closer to launching its third test flight as soon as mid-March.
The FAA announced Feb. 26 that it closed the investigation into the Nov. 18 launch, designated Orbital Flight Test (OFT) 2, by accepting the root causes into the failure identified by SpaceX. That includes 7 corrective actions for the Super Heavy booster and 10 for the Starship upper stage.
On that launch, the vehicle appeared to perform as expected through stage separation. However, the Super Heavy booster broke apart shortly after separation as it was attempting to perform a controlled reentry and splashdown in the Gulf of Mexico. The Starship upper stage continued its ascent until the final minute of its burn, when it broke apart. SpaceX Chief Executive Elon Musk said in January that liquid oxygen venting triggered a fire and explosion of Starship.
The letter noted that Starships ascent was going normally until seven minutes and five seconds after liftoff, when the vehicle started a pre-planned dump of excess liquid oxygen. Over the next minute, several explosions and sustained fires were observed in onboard camera aft video streams, ultimately resulting in a loss of communication between the forward and aft flight computers, the letter stated. That led to a shutdown of all six engines and a triggering of the vehicles autonomous flight safety system a minute after the vent started.
SpaceX, in its own statement about the investigation, said the fires in Starship came from a leak in the aft section of the vehicle when the liquid oxygen vent started. The vehicle was carrying the excess oxidizer to gather data representative of future payload deploy missions and needed to be disposed of prior to reentry to meet required propellant mass targets at splashdown.
The SpaceX statement also discussed the loss of the Super Heavy booster. Thirteen of its 33 Raptor engines were firing in a boostback maneuver after stage separation when several engines shut down, including one that failed energetically. That led to the booster breaking apart at an altitude of 90 kilometers over the Gulf of Mexico.
The company said the most likely explanation for the failure is a filter blockage in a liquid oxygen line that reduced inlet pressure in engine turbopumps that eventually resulted in one engine failing in a way that resulted in loss of the vehicle.
The Super Heavy corrective actions, the FAA stated in its letter to SpaceX, include redesigns of vehicle hardware to increase tank filtration and reduce slosh, updated thrust vector control system modelling, reevaluation of engine analyses based on OFT-2 data, and updated engine control algorithms.
The Starship corrective actions, according to the FAA letter, include hardware redesigns to increase robustness and reduce complexity, hardware changes to reduce leaks, operational changes eliminating pre-second engine cutoff propellant dumps, flammability analysis updates, installation of additional fire protection, creation of analytical guidance, performance of transient load analysis, and modeling updates.
Neither the FAA nor the SpaceX statements offered a schedule for completing the corrective actions and launching a third test flight. Musk, in a conversation on his social media platform X Feb. 19, said he was looking to the second week of March to launch the vehicle. Nominally its, like, March 8. Were trying to get it to be sooner than March 8, he said. My guess is that it happens at some point in the first half of next month. A fourth launch, he added, could take place shortly thereafter.
Other company officials have repeated Musks timeline for the mission. During a panel discussion at the FAA Commercial Space Transportation Conference Feb. 21, Nick Cummings, senior director of program development at SpaceX, said the upcoming launch will also conduct a propellant transfer test within Starship, something NASA officials previous said might be included as part of an agency Tipping Point award.
The company is also working to accelerate its rate of test flights. Im very excited about the fact that weve got four sets of Starships and Super Heavies basically already built at Starbase, ready to go for the next flights, Cummings said.
The next flight, though, still requires the FAA to update SpaceXs Starship launch license. The FAA said SpaceX must first demonstrate to the FAA that it has implemented those corrective actions. The FAA is evaluating SpaceXs license modification request and expects SpaceX to submit additional required information before a final determination can be made, the agency stated.
In a briefing with reporters during the FAA conference Feb. 21, Kelvin Coleman, FAA associate administrator for commercial space transportation, since it appeared feasible to have a license ready in time for a launch by mid-March. Thats where Im hearing things are headed right now, he said.
The timing of subsequent launches, he said, will depend on the outcome of the third launch. Theyre looking at a pretty aggressive launch schedule this year, he said, with at least nine launches proposed for 2024. Well work with them to get them back going as soon as they can.
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FAA closes investigation into second Starship test flight - SpaceNews
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