New Delhi (PTI): Astronaut Shubhanshu Shukla will undergo a seven-day rehabilitation programme after his splashdown off the California coast on July 15 as he returns to the Earth from an 18-day sojourn at the International Space Station (ISS).

Shukla and three other astronauts – commander Peggy Whitson and mission specialists Slawosz Uznanski-Wisniewski and Tibor Kapu of Poland and Hungary – had docked at the ISS on June 26 as part of the commercial Axiom-4 mission.

The four astronauts are scheduled to undock from the ISS on Monday, July 14, at 4.35 pm IST (7.05 am ET), the National Aeronautics and Space Administration said in a statement.

According to ISRO, following a series of orbital manoeuvres after undocking Crew Dragon spacecraft is expected to splash down near the coast of California on July 15, 2025, at 3 pm IST.

"Post splashdown, the Gaganyatri will undergo a rehabilitation program (about 7 days) under supervision of Flight Surgeon to adapt back to Earth's gravity," the ISRO said in an update on the Axiom-4 mission.

ISRO paid approximately Rs 550 crore for Shukla's travel to the ISS – an experience that will help the space agency in planning and execution of its human spaceflight programme, Gaganyaan, set to take to orbit in 2027.

"ISRO's flight surgeons are continuously monitoring and ensuring the overall health and fitness of the Gaganyatri through participation in private medical/psychological conferences. Gaganyatri Shubhanshu is in good health and in high spirit," ISRO said.

Shukla and the three other astronauts are expected to board the spacecraft at 2.25 pm IST, wear their space suits and carry out the necessary tests before they begin their journey to the Earth.

The ISS is orbiting the Earth at a speed of 28,000 kilometres per hour, and the spacecraft will initiate the autonomous undocking process to gradually slow down and re-enter the planet's atmosphere for a splashdown off the coast of California.

"The Dragon spacecraft will return with more than 580 pounds of cargo, including NASA hardware and data from over 60 experiments conducted throughout the mission," NASA said. Axiom-4 mission commander Peggy Whitson said in a post on X: "Enjoying our last few days on the @Space_Station with rehydrated shrimp cocktails and good company! #Ax4."

Shukla had brought carrot halwa and mango nectar (aamras) to the party.

On the experiment front, Shukla worked on the microalgae experiment, deploying and stowing samples that could one day provide food, oxygen and biofuels for deep-space missions, Axiom Space said in a statement.

The resilience of the microalgae makes them a promising asset to sustain life beyond the Earth, it added.

"Exercise research and spacesuit maintenance topped the schedule for the Expedition 73 and Axiom Mission 4 (Ax-4) crews on Thursday," the NASA statement said.

The crew also continued the Voyager Displays study, which examines how spaceflight affects eye movement and coordination.

The crew collected data for a study to explore how astronauts perceive and interact with their environment in orbit, which is critical for designing mentally supportive habitats for long-duration missions.

Another study focused on cerebral blood flow, investigating how microgravity and elevated carbon dioxide levels affect cardiovascular function, which could later benefit both astronauts and patients on the Earth.

Radiation exposure was monitored using the compact Rad Nano Dosimeter, a tool for assessing astronaut safety.

The crew took part in the Acquired Equivalence Test, a cognitive experiment that measures learning and adaptability in space, and supported the PhotonGrav study by collecting brain-activity data to explore neuroadaptive technologies for space and medical applications.

 

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Batumi (Georgia), Jul 26 (PTI): Young Indian International Master Divya Deshmukh held her nerves to hold stalwart Koneru Humpy to a draw in game 1 of the FIDE Women's World Cup final, with both players having their share of opportunities to take the lead here on Saturday.

The draw with black means Humpy, the two-time World Rapid champion, holds a slight edge going in the second and final game under the classical chess rules in the two-game mini-match, and should the deadlock continue, games of shorter duration will be played to determine the winner.

Humpy employed the Queen's gambit accepted as black and it turned out to be a pretty fascinating game right out of the opening as Divya, 19, came up with a piece sacrifice early to deny the black king the right to castle.

Humpy was the first to err and, according to computers, Divya had things under control on the 14th move. However in her bid to recover the extra material, the Nagpur girl, who has secured a place in the Candidates tournament with her sterling performance here, missed a promising continuation.

What followed the exchange of all minor pieces and the ensuing queen and rook endgame gave enough counter play to both players. The game was eventually drawn after Humpy sacrificed her rook to force perpetual checks.

"The game saw an extremely sharp battle with the game ending in a draw in 41 moves. On move 7, Divya made her aggressive intentions clear by offering another pawn,

which looked like home preparation. Humpy made a practical decision of refraining from taking the pawn and a balanced position was reached by move 10 by white," said Grandmaster Pravin Thipsay, an Arjuna awardee and the first Indian to get a chess Grandmaster norm.

"However, instead of developing the undeveloped Knight, Humpy retreated the centralised Knight on move 10, giving huge positional advantage to Divya. Divya could have gained huge positional advantage on the 12th move by moving a rook. However, she chose to play for King side attack by sacrificing a piece instead.

"Humpy, too, erred at this stage and instead of moving the King to Queen side, moved it to the King side. Divya, on move 14, could have obtained a crushing attack by threatening a mate by developing her Queen. Instead she chose to exchange a pair of Bishops first, which enabled Humpy to defend her King by returning the piece," said Thipsay.

"Players thus reached a balanced Queen and two Rooks ending. Divya continued to play ambitiously and tried to attack Humpy’s King but the latter defended accurately and the game was drawn in 41 moves by perpetual check," he added.

In the play-off for the third place, Chinese players Zhongyi Tan, the former women's world champion and top seed Lei Tingjie also decided to split points out of a Queen’s gambit declined game.

The opening raised visions of a close contest between the two but having been knocked out of title race in the previous round, none of them wanted to take any huge risk. It was still a middle game when the players shook hands.

With the top two positions sealed for the Indians, the berth to the next Candidates is also assigned, while the player finishing third will also get an entry to the premier event scheduled for 2026.

Results: Divya Deshmukh (Ind) drew with Koneru Humpy (Ind); Zhongyi Tan (Chn) drew with Tingjie Lei (Chn).