Tag: Missions

Hubble Rings in a New Galactic View

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This NASA/ESA Hubble Space Telescope image reveals the galaxy LEDA 857074. ESA/Hubble & NASA, I. Chilingari The subject of this NASA/ESA Hubble Space Telescope image is situated in the Perseus Cluster, also known as Abell 426, 320 million light-years from Earth. It’s a barred spiral galaxy known as MCG+07-07-072, seen here among a number of photobombing stars that are much closer to Earth than it is. MCG+07-07-072 has quite an unusual shape for a spiral galaxy, with thin arms emerging from the ends of its barred core to draw a near-circle around its…

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James Webb Space Telescope adds to the confusing drama of Hubble tension

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It would appear that James Webb Space Telescope observations of 10 nearby galaxies suggests the Hubble tension — which is a puzzling discrepancy in measurements regarding the rate of the expansion of the universe — may not be real after all. The James Webb Space Telescope‘s observations put the average value of the Hubble constant (H0), key in determining the rate at which the universe is expanding, at 69.96 kilometers per second per megaparsec. This is indeed consistent with predictions stemming from the standard model of cosmology, which should sound…

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Will Boeing’s Starliner astronauts ride a SpaceX Dragon home in 2025? NASA could decide next week

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Boeing’s two Starliner astronauts may learn their fate in the next two weeks — but, for now, NASA still doesn’t know when the duo is coming home.  So, while the space agency’s best and brightest works with Boeing engineers to continue assessing data from ground tests of Starliner’s systems, the spacecraft’s crew, NASA astronauts Butch Wilmore and Sunita Williams, will remain aboard the International Space Station (ISS) for now. Wilmore and Williams launched to the ISS aboard Starliner for the spacecraft’s Crew Flight Test (CFT) on June 5. Their mission,…

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Station Science Top News: August 9, 2024

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Researchers tested a treatment on cartilage and bone tissue cultures subjected to compressive impact injury and found differences in the metabolites and proteins released by cells in space and on Earth along with partial improvement in both gravity conditions. The findings suggest the treatment is safe and could help ensure the health of crew members on future missions and patients on Earth. Astronauts have high rates of musculoskeletal injuries, and post-traumatic osteoarthritis from joint injuries is a major contributor to disability across all ages on the ground. MVP Cell-06 used cultures of human knee…

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NASA shuts down NEOWISE asteroid hunter after almost 15 years in space

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A prolific NASA asteroid-hunting mission has come to an end. Engineers sent a final command to the agency’s NEOWISE (Near-Earth Object Wide-field Infrared Survey Explorer) spacecraft on Thursday (Aug. 8), ordering the probe to turn off its transmitter after nearly 15 years of operation in low Earth orbit.  “The NEOWISE mission has been an extraordinary success story as it helped us better understand our place in the universe by tracking asteroids and comets that could be hazardous for us on Earth,” Nicola Fox, associate administrator for the Science Mission Directorate…

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Hubble Spotlights a Supernova

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2 min read Hubble Spotlights a Supernova This NASA/ESA Hubble Space Telescope image reveals the galaxy LEDA 857074. Credit: ESA/Hubble & NASA, R. J. Foley This NASA/ESA Hubble Space Telescope image features the galaxy LEDA 857074, located in the constellation Eridanus. LEDA 857074 is a barred spiral galaxy, with partially broken spiral arms. The image also captured a supernova, named SN 2022ADQZ, shining brightly on the right side of the galaxy’s bar. Several evolutionary paths can lead to a supernova explosion. One is the death of a supermassive star. When…

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SpaceX targeting Aug. 26 for historic Polaris Dawn astronaut mission

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SpaceX is now targeting Aug. 26 for the launch of Polaris Dawn, a crewed flight to Earth orbit that will feature the first-ever private spacewalk. The news, which the Polaris Dawn team announced today (Aug. 7) via a post on X, firms up a previously vague window; the most recent target for the groundbreaking mission was mid-August. Polaris Dawn will send four people to Earth orbit aboard a SpaceX Crew Dragon capsule, which will lift off from NASA‘s Kennedy Space Center in Florida atop a Falcon 9 rocket. The crew…

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NASA considers sending Boeing Starliner astronauts home on SpaceX Dragon

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Boeing Starliner may not bring its first astronauts home after all. NASA officials, absent a representative from Boeing, updated reporters today (Aug. 7) about how troubleshooting Starliner‘s undocking and landing may affect the next SpaceX astronaut flight to the International Space Station.  Starliner has faced a lot of difficulties since launching its first astronaut mission, most especially after 5 of its 28 reaction control thrusters (RCS) misfired during docking with the ISS on June 6. Work on the matter is ongoing, and as NASA revealed yesterday (Aug. 6), it will require…

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Station Science Top News: August 2, 2024

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Analyses suggest that microgravity does not significantly alter fundamental biochemical pathways in kidney cells, including metabolism of vitamin D. This finding could help researchers develop strategies to protect crew health on future missions and improve treatment of kidney-related diseases on Earth.  Kidney Cells examined the effects of microgravity and other factors of space travel on kidney health. Previous reports suggested that changes in kidney cell metabolism of vitamin D plays a role in bone loss in microgravity, and this paper recommends additional study to determine if this most recent finding is consistent with extended (>6…

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