September 2024

The Crew Dragon Freedom spacecraft docked with the International Space Station in its Crew-9 mission (NASA TV)

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A few hours ago, SpaceX’s Crew Dragon Freedom spacecraft docked with the Harmony module of the International Space Station completing the first part of its Crew-9 or SpaceX Crew-9 mission that began with its launch about 28 hours earlier. After checking that the pressure gets properly balanced, the hatch will be opened to allow Nick Hague and Aleksandr Gorbunov to enter the Station and start their mission, which will last about five months.

The Crew Dragon Freedom spacecraft blasting off atop a Falcon 9 rocket in its Crew-9 mission (Image NASA TV)

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A little while ago, SpaceX’s Crew Dragon Freedom spacecraft blasted off atop a Falcon 9 rocket from the Kennedy Space Center in its Crew-9 or SpaceX Crew-9 mission. After almost exactly twelve minutes, it successfully separated from the rocket’s last stage and went en route to carry out its mission. This is the 9th crewed mission of the Crew Dragon spacecraft within the normal rotation of the International Space Station crew.

The area of ​​the sky where the galaxy GS-NDG-9422, or simply 9422, was spotted, magnified in the inset in a view captured by the James Webb Space Telescope's Near Infrared Camera (NIRCam).

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An article published in the journal “Monthly Notices of the Royal Astronomical Society” reports the discovery of a primordial galaxy that was cataloged as GS-NDG-9422, or simply 9422, in which nebular gas outshines stars. A team of researchers used observations conducted with the James Webb Space Telescope to study 9422 using in particular the NIRSpec (Near-Infrared Spectrograph) instrument to analyze its chemical composition. The conclusion is that this galaxy is in a phase never seen before in its evolution in which very massive and very hot stars make the nebular gas very hot and consequently bright.

The eROSITA bubbles seen in X-rays (green) and the magnetic field in the halo (white). The red color shows the polarized intensity of synchrotron radiation. The light blue circles represent the Fermi bubbles seen in gamma rays.

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An article published in the journal “Nature Astronomy” reports a study of the so-called eROSITA bubbles that reveals magnetized structures that form a galactic halo aligned with them reaching heights of more than 16,000 light-years above the galactic plane. A team of researchers led by the Italian National Institute for Astrophysics conducted an investigation that spans the entire electromagnetic spectrum from radio waves to gamma rays to examine the eROSITA bubbles and map them. The alignment of the magnetized halo with the bubbles suggests a common origin, which could be given by star formation activity.

The Soyuz MS-25 capsule after landing (Image NASA TV)

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A little while ago, cosmonauts Oleg Kononenko and Nikolai Chub and astronaut Tracy Caldwell-Dyson returned to Earth on the Soyuz MS-25 spacecraft, which landed in Kazakhstan. Kononenko and Chub completed a one-year mission on the International Space Station while Caldwell-Dyson spent almost exactly 6 months on the Station.