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NASA’s Parker Solar Probe is expected to make a record-breaking flyby of the sun on December 24, as reported during the Annual Meeting of the American Geophysical Union (AGU). The spacecraft, approximately the size of a small car, will approach within 3.8 million miles (6.1 million kilometres) of the sun’s surface, travelling at an unprecedented speed of 430,000 mph (690,000 kph). The probe’s proximity and velocity will surpass all prior human-made objects, according to mission updates.

Mission Milestones and Observations

The Parker Solar Probe successfully executed a manoeuvre past Venus last month, positioning it for this historic approach. Reports indicate that the probe will traverse through solar plasma plumes and potentially through an active solar eruption, an event compared to a surfer navigating under a crashing wave. This encounter coincides with heightened solar activity, as the sun is currently in the most turbulent phase of its 11-year cycle.

Data Collection and Engineering Challenges

Nour Rawafi, project scientist for the Parker Solar Probe mission, emphasised the long-term significance of the data gathered. Speaking to the AGU, Rawafi highlighted that analysing the probe’s observations “will take decades to decode.” The probe is anticipated to provide insights into solar flares, plasma waves, and the mechanics of the sun’s outer atmosphere, also known as the corona.

The mission’s engineering achievements have played a critical role in the spacecraft’s survival. The probe is equipped with a custom-built heat shield and a self-regulating system, enabling it to endure extreme temperatures of up to 1,371°C. Elizabeth Congdon, lead engineer for the thermal protection system, noted in a statement that the heat shield’s design reflects much of the heat, maintaining internal temperatures near room level.

Scientific Legacy

Launched in 2018, the probe has made significant discoveries, such as identifying a dust-free zone around the sun and collaborating with the Solar Orbiter spacecraft for groundbreaking studies. While direct communication with the spacecraft will be unavailable during the December 24 approach, mission control plans to monitor its status via beacon tones on December 21 – 27. Reportedly, early imagery and data are expected to arrive in early January.

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Axiom-4 Mission Successfully Docks on the ISS, Shubhanshu Shukla Makes History

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June 26, 2025

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Axiom-4 Mission Successfully Docks on the ISS, Shubhanshu Shukla Makes History

Axiom 4 Mission carrying the crew members has now reached the International Space Station (ISS) after getting launched from Kennedy Space Centre at 12:01 PM IST on June 25, 2025. Dragon has Commander Peggy Whitson, Mission Specialists Sławosz Uznański-Wiśniewski and Tibor Kapu, and Pilot Shubhanshu Shukla. It will dock to the Harmony module space-facing port on Thursday at 7 a.m. The flight engineers at NASA, Anne McClain and Nichole Ayers, will be on duty and monitor Dragon during the automated approach of it, and also for the manoeuvres.

Dragon Capsule to Dock at Harmony Module on June 27

As per the confirmation by NASA, after docking, the Ax-4 astronauts will meet with the seven Expedition 73 crewmates. They will further participate in a safety briefing with the residents of the station. McClain and Ayers, with the rest of the crew, had a normal shift on Wednesday doing the microgravity research and lab maintenance.

McClain went through the research hardware and processed samples in the Destiny lab module, further photographed the work for ground analysis. Ayers performed the study on fluid physics in the Microgravity Science Glovbox, which can benefit pharmaceutical manufacturing techniques and 3D printing in space.

Expedition 73 Crew Prepares for Ax-4 Arrival with Routine Duties

NASA Fight Engineer Jonny Kim and Commander Takuya Onishi tested a specialised thigh cuff that can reverse the space-caused fluid shifts towards the upper body of the crew member. Both of them took turns wearing the biomedical device in the Columbus lab module as ultrasound 2 scans and measured blood pressure with cardiac output, heart rate and more to know the effectiveness of the thigh cuff concerning the health of the crew.

Scientific Research and Biomedical Tests Continue Aboard the ISS

Sergey Ryzhikov, the veteran cosmonaut and thrice a space visitor, started his shift in the Zvezda service lab module and replaced computer components before the day closed. Further, he charges science experiment batteries and activates an Earth observation camera. Alexey Zubritskiy, flight engineer at NASA, reorganised cargo inside the Nauka science module and stowed trash, and also discarded gear in the Progress 90 cargo craft because they had to depart the Poisk module after seven days. Another flight engineer, Kirill Peskov, cleaned the Nauka ventilation system and checked the exposure data of radiation while orbiting the Earth.

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NASA and ISRO Confirm Japan’s Moon Lander Resilience Crashed at Mare Frigoris

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June 25, 2025

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NASA and ISRO Confirm Japan’s Moon Lander Resilience Crashed at Mare Frigoris

NASA’s Lunar Reconnaissance Orbiter (LRO) and India’s Chandrayaan-2 orbiter have captured images of Japan’s Resilience lunar lander after it suffered a catastrophic crash on the Moon. Resilience, developed by private firm ispace, had been attempting to touch down in the Mare Frigoris region on June 5. The lander was carrying scientific experiments and a small European lunar rover, Tenacious, slated to deploy an art model on the surface. Contact was lost about 100 seconds before the planned touchdown, and the new images show debris scattered around the impact site. These images provide the first confirmation of Resilience’s fate.

Crash site images reveal debris field

According to the captured crash site image by NASA’s Lunar Reconnaissance Orbiter on June 11, 2025, there is a dark smudge of disturbed regolith where Resilience hit the surface. India’s Chandrayaan-2 orbiter captured follow-up images on June 16 showing the debris field in greater detail. Astronomy experts identified at least a dozen fragments of the lander and its small rover Tenacious in these photos.

One enthusiast catalogued at least 12 separate debris items, though their exact spread is unclear. A faint bright halo of ejected dust surrounds the smudge, consistent with a violent impact. These detailed views provide clues to investigators piecing together how Resilience broke apart on impact.

Laser rangefinder fault pinpointed as cause

Resilience’s onboard laser altimeter began lagging about 100 seconds before landing, causing the descent to proceed too fast. On June 24, ispace confirmed that this rangefinder malfunction during descent prevented the lander from decelerating to the planned touchdown speed. The hard impact “likely tore the spacecraft apart” and destroyed all scientific payloads.

Investigators are examining factors like lunar surface reflectivity or hardware degradation as possible triggers of the failure. Resilience was ispace’s second Hakuto-R moon lander; its predecessor (April 2023) likewise crash-landed. CEO Takeshi Hakamada said the company is working on fixes and “will not let this be a setback” as it pursues future lunar missions.

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Supermassive Black Hole Burps Matter at Near-Light Speeds After Consuming Gas Too Fast

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June 25, 2025

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Supermassive Black Hole Burps Matter at Near-Light Speeds After Consuming Gas Too Fast

A distant supermassive black hole has stunned astronomers by expelling matter at speeds nearing a third of light velocity after consuming material at an extreme rate. Designated PG1211+143, this cosmic powerhouse lies in a Seyfert galaxy 1.2 billion light-years away and boasts a mass 40 million times greater than the Sun. Researchers using the ESA’s XMM-Newton X-ray telescope tracked an influx of gas equivalent to 10 Earths over just five weeks, only to find the black hole burping out excess matter at around 0.27 times the speed of light.

Supermassive Black Hole’s Outflows May Halt Star Formation and Alter Galaxy Evolution Permanently

As per a report in the journal Monthly Notices of the Royal Astronomical Society, these ultra-fast outflows followed the inflow by a delay of a few days, heating the surrounding active galactic nucleus (AGN) to millions of degrees. The radiation pressure generated was powerful enough to push out surrounding gas, potentially starving the black hole’s galaxy of star-forming material. This feedback loop, scientists suggest, might represent the transition from active star-birth sites to galaxies entering a quieter period.

The winds ejected at more than 181 million mph most likely blew away clouds of cold gas, which were necessary for stellar births. The evidence found allowed Pounds to observe a black hole as it grew, even though there is not much matter to feed the black hole, even if it is large.

This discovery can enable people to understand the influence of quasars and AGNs on galaxy life cycles. High-speed ejections of outflowing matter paralyse the star-formation process and turn star-forming regions into barren space. However, additional monitoring in pursuit to determine their frequency and global pattern of cosmic evolution.

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