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    SpaceX Completes Engine Tests for NASA’s Artemis III Moon Lander

    The 281-second throttle test demonstrated the engine’s ability to meet the demands of a descent burn to the lunar surface.

    NASA is working with SpaceX to develop its Starship human landing system (HLS) for use during the Artemis III and Artemis IV missions to land American astronauts near the South Pole of the Moon. The Starship HLS will be powered by two variants of the company’s Raptor engines—one optimized to operate in atmospheric pressure at sea-level …

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    Next Station Crew is Go for Launch on Friday

    This bottom up view shows the Soyuz MS-24 rocket's first stage boosters as the spacecraft stands at its launch pad at the Baikonur Cosmodrome in Kazakhstan. Credit: NASA/Bill Ingalls

    Mission managers have given the go for the launch of three new crew members aboard the Soyuz MS-24 spacecraft to the International Space Station at 11:44 a.m. EDT on Friday. NASA astronaut Loral O’Hara and Roscosmos cosmonauts Oleg Kononenko and Nikolai Chub will ride the Soyuz crew ship and dock to the Rassvet module just …

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    Midweek Sees the Crew Work Robotics, Lab Upkeep, and Microbes

    Expedition 69 astronauts (from left) Jasmin Moghbeli, Frank Rubio, and Satoshi Furukawa join each other for lunch aboard the space station's Unity module.

    Robotics, lab maintenance, and microbiology were the top priorities aboard the International Space Station on Wednesday. The Expedition 69 crew members also had time set aside for Earth science operations and biomedical duties. Astrobee, the toaster-sized, cube-shaped free-flying robotic helper was activated today inside the Kibo laboratory module. Student-written algorithms were uplinked to the orbital …

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    ISS Daily Summary Report – 9/13/2023

    Payloads: Circadian Light: The Circadian Light start-of-next-day assessment was performed. The Circadian Light investigation tests a new lighting system to help astronauts maintain an acceptable circadian rhythm. This can help enhance cognitive performance during a long-duration mission and help combat monotony through automated, varied, and gradually changing lighting sequences and settings. Earthshine from ISS: Earthshine …

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    First RS-25 Engine Installed to NASA’s Artemis II Moon Rocket

    Engineers and technicians from Aerojet Rocketdyne and Boeing at NASA’s Michoud Assembly Facility in New Orleans have installed the first of four RS-25 engines to the core stage for NASA’s Space Launch System rocket that will help power the first crewed Artemis mission to the Moon. The yellow core stage is seen in a horizontal position in the final assembly area at Michoud. One RS-25 engine, engine number E2059, has been installed in the top left corner at the base of the 212-foot-tall core stage.

    Technicians at NASA’s Michoud Assembly Facility in New Orleans have installed the first of four RS-25 engines on the core stage of the agency’s SLS (Space Launch System) rocket that will help power NASA’s first crewed Artemis mission to the Moon. During Artemis II, NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian …

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    Exercise, Science Gear Work on Station as Next Crew Preps for Launch

    The Soyuz MS-24 rocket that will launch three crew members to the space station on Friday, Sept. 15, is pictured standing at its launch pad in Kazakhstan. Credit: NASA/Bill Ingalls

    Tuesday was filled with health research and science hardware maintenance for the Expedition 69 crew. The rocket to launch the next crew to live aboard the International Space Station has also rolled out to its launch pad. Four flight engineers kicked off the day with a health examination checking vital signs such as temperature, blood …

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    ISS Daily Summary Report – 9/12/2023

    Astronaut Frank Rubio Breaks the U.S. Record for Longest Spaceflight: Yesterday, NASA astronaut Frank Rubio broke the record for the longest single spaceflight by a U.S. astronaut, spending his 355th consecutive day on the ISS. Rubio is scheduled to land on September 27th and will ultimately spend 371 consecutive days in orbit. Payloads: Exploration Environmental …

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    Webb Confirms Accuracy of Universe’s Expansion Rate Measured by Hubble, Deepens Mystery of Hubble Constant Tension

    The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for understanding the evolution and ultimate fate of the cosmos. However, a persistent difference called the “Hubble Tension” is seen between the value of the constant measured with a wide range of independent distance indicators and …

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    Irresistible Gravity: Meet IXPE General Observer Program Lead Kavitha Arur

    By Rick Smith A black hole is a region of spacetime where gravity is so relentless that nothing nearby – not stars, not even light – can resist its pull. Astrophysicist Kavitha Arur can’t resist it either. She’s been fascinated with black holes since childhood. “I always enjoyed mysteries and solving puzzles, and astronomy is …

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