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As the country rejoiced the successful placement of the ISRO lander — Vikram — on the moon’s uncharted South Pole, the agency’s chairman S Somanath on Thursday confirmed that its maiden solar mission ‘Aditya’ is in the works and will be ready for launch in September.

In a brief address to the nation after the lander touched down on the moon’s dark side on Wednesday, Prime Minister Narendra Modi alluded to future missions to the Sun and Venus.

Speaking to ANI a day after the ISRO put India in an elite club of nations with the successful conduct of its maiden lunar landing mission, the ISRO chief said, “Mission ‘Aditya’ is in the works and will be ready for launch in the first week of September. We are also planning a mission by the end of September or October to demonstrate our crew module and crew escape capability, which will be followed by many test missions until we launch our first manned mission to space (Gaganyaan), possibly by 2025.”

On the flawless touchdown of the ‘Vikram’ lander on the moon’s south face, Somanath said the gamut of emotions he ran as the lander closed in on the lunar surface was hard to put in words.

“It was a mix of joy, a feeling of accomplishment and gratefulness for all fellow scientists, who contributed to the success of this mission,” Somanath told ANI.

He added that the moon’s South Pole has the potential for human settlement, which is why the agency made it the preferred landing site for the lander.

“We have gone closer to the (lunar) South Pole, which lies almost 70 degrees from where the lander has been placed. The South Pole has a specific advantage with respect to being less illuminated by the Sun. There is potential (for human settlement) because of more scientific content (on the south side of the moon). The scientists, who were working on this project, showed a lot of interest in the South Pole as the larger objective is for human beings to set up colonies on the moon and travel beyond. We were looking for the best landing spot, where we could set up colonies in the distant future, and the lunar South Pole fitted the bill,” the ISRO chief said.

Speaking on the ‘Pragyan’ rover, which rolled out of the lander after the successful touchdown on the lunar southside, Somanath said a team will soon start work on a robotic path planning exercise, which will be the key to future explorations into deep space.

“Pragyan Rover has two instruments, both of which are related to the elemental composition findings on the moon as well as its chemical compositions. It will also rove the lunar surface. We will also do a robotic path planning exercise, which is important for future explorations into deep space,” the ISRO chief said.

The ‘Pragyaan’ rover, on Thursday morning, rolled out of the landing module to begin its exploration of the uncharted lunar south face, ISRO informed on its official handle on X, formerly Twitter.

The agency, earlier on Thursday, said the lander made a historic touchdown on the lunar south pole, taking India where no other country has gone before.

“The Ch-3 Rover ramped down from the Lander and India took a walk on the moon. More updates soon,” the ISRO posted on X.

The first picture of the six-wheeled robotic vehicle Pragyan rolling out of Vikram was shared by Pawan K Goenka, the chairman of the Indian National Space Promotion and Authorisation Centre, a single-window, independent, nodal agency that functions as an autonomous agency in the Department of Space (DOS).

After a 40-day journey into space, the ‘Vikram’ lander touched down on the lunar South Pole on Wednesday evening.

India also became only the fourth nation after the US, Russia and China to successfully conduct a lunar landing mission.

The Chandrayaan-3 spacecraft put down the Vikram lander on the lunar surface, tilting to a horizontal position ahead of landing.

The spacecraft was launched from the Satish Dhawan Space Centre in Andhra Pradesh’s Sriharikota on July 14.


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NASA, General Atomics Test Nuclear Fuel for Faster Mars Missions

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NASA, General Atomics Test Nuclear Fuel for Faster Mars Missions

Efforts to develop nuclear thermal propulsion (NTP) for future space missions have taken a significant step forward. General Atomics Electromagnetic Systems (GA-EMS), in collaboration with NASA, has conducted tests on nuclear reactor fuel designed for space travel. The trials, held at NASA’s Marshall Space Flight Center in Alabama, assessed the fuel’s ability to withstand extreme conditions that would be encountered during deep space missions. The successful results could accelerate plans for faster, more efficient space travel, reducing transit times for crewed missions to Mars.

Successful Testing at NASA’s Marshall Space Flight Center

As reported by space.com, according to the tests conducted at NASA’s facility, the reactor fuel was subjected to six thermal cycles using hot hydrogen, rapidly heating it to 2326.6 degree Celsius. The objective was to evaluate the fuel’s resilience under extreme temperature fluctuations and exposure to hot hydrogen gas, conditions necessary for nuclear thermal propulsion. GA-EMS President Scott Forney stated in a company release that the fuel demonstrated the ability to endure these conditions, reinforcing confidence in its potential for safe and reliable space propulsion.

First-of-Its-Kind Testing of Nuclear Fuel

GA-EMS Vice President of Nuclear Technologies and Materials, Christina Back, highlighted the uniqueness of these tests in the company release. The company was reported to be the first to utilise the compact fuel element environmental test (CFEET) facility at NASA’s Marshall Space Flight Center for such trials. Fuel performance was tested at temperatures reaching 2,727 degree Celsius, with findings indicating a significant efficiency boost over conventional propulsion systems.

Potential Impact on Space Exploration

As per sources, NASA has prioritised the development of nuclear propulsion due to its potential to significantly reduce travel time to Mars. Shorter missions could lower the risks associated with long-duration spaceflight, including radiation exposure and the need for extensive life-support resources. In 2023, NASA and the Defense Advanced Research Projects Agency (DARPA) announced joint efforts to develop an NTP system, with a planned demonstration by 2027. The latest advancements in nuclear propulsion technology could play a crucial role in achieving that goal, bringing human missions to Mars closer to reality.

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ISRO Successfully Conducts CE20 Cryogenic Engine Vacuum Test for LVM-3

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ISRO Successfully Conducts CE20 Cryogenic Engine Vacuum Test for LVM-3

A key milestone in India’s space technology development has been reached with the successful vacuum ignition test of the CE20 cryogenic engine. Conducted on February 7 at the Indian Space Research Organisation’s (ISRO) Propulsion Complex in Mahendragiri, Tamil Nadu, the test simulated real space conditions for engine restart. The CE20 engine, designed for the upper stage of the LVM-3 rocket, is a critical component of future ISRO missions, including the human spaceflight programme. The test focused on evaluating the ignition process under vacuum conditions, ensuring operational reliability in space.

Engine restart capabilities under evaluation

As reported by The Times Of India, according to ISRO, the vacuum test assessed the ignition of the engine’s thrust chamber using a multi-element igniter while maintaining the required tank pressure for restart. The CE20 engine has been developed by ISRO’s Liquid Propulsion Systems Centre (LPSC) and has already demonstrated thrust levels ranging from 19 to 22 tonnes with a single-start capability. The latest trials are aimed at enabling multiple restarts, a feature that enhances mission flexibility.

Alternative turbopump initiation under consideration

ISRO is examining the possibility of using a bootstrap mode for turbopump initiation, replacing conventional stored gas systems. This approach, if successfully implemented, could improve engine restart efficiency. Previous ground-based trials of the CE20 engine have been completed, and this latest vacuum test marks another step toward full qualification for advanced missions.

Significance for the Gaganyaan mission

With the CE20 engine cleared for use in India’s maiden human spaceflight mission, Gaganyaan, these tests are crucial to validating performance under real conditions. ISRO has emphasised that both the engine and testing facility performed as expected during the trial, reinforcing confidence in the system’s reliability for upcoming space missions.

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Romania’s ‘Living’ Rocks Expand and Multiply in a Strange Natural Process



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Romania’s ‘Living’ Rocks Expand and Multiply in a Strange Natural Process

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Romania’s ‘Living’ Rocks Expand and Multiply in a Strange Natural Process

A cluster of unusual geological formations known as trovants has been drawing attention in Romania. These rock-like structures, which appear to grow and even reproduce, are primarily found near the village of Costești in central Romania. Trovants, which resemble smooth, bulbous stones, are unique in their ability to absorb minerals from rainwater, allowing them to expand over time. Myths and folklore surrounding these formations have led to comparisons with dinosaur eggs, alien artifacts, and plant fossils. Despite their peculiar nature, geologists have identified trovants as a natural geological phenomenon resulting from specific mineral and environmental conditions.

Scientific Explanation Behind Trovants

According to reports from geological studies published by Geology In, trovants consist of a hard stone core encased in a porous sandstone shell. This shell absorbs rainwater rich in minerals like calcium carbonate, which, when combined with other elements, forms a cement-like substance that gradually increases the rock’s size. This process is believed to add approximately 5 centimeters to a trovant’s circumference every 1,000 years. Over time, lumps can form on the surface, eventually detaching and growing into separate trovants. This unique characteristic has contributed to their reputation as “living” rocks.

Origins and Geological Theories

The formation of trovants has been linked to seismic activity that took place more than 5 million years ago. As per geological sources cited by BBC Science Focus, ancient earthquake activity may have compacted sedimentary deposits in an aquatic environment, leading to the creation of these spherical structures. The presence of fossils such as bivalves and gastropods within the trovants further supports this theory. Although similar formations have been observed in Russia, Turkey, and the U.S., Romania remains home to the most well-known trovant deposits.

Cultural Significance and Myths

Folklore surrounding trovants has long fueled theories beyond scientific explanations. Some local myths suggest that the formations are remnants of ancient creatures, while others attribute their origin to extraterrestrial influences. The unusual ability of trovants to expand and multiply has contributed to their enigmatic status. Despite the myths, experts maintain that trovants are entirely natural geological formations shaped by environmental processes over millions of years.

Conservation and Public Interest

The Trovants Museum Natural Reserve was established to protect and study these rare formations. Located near Costești, the reserve aims to preserve the trovants while educating visitors about their geological significance. The site continues to attract tourists, researchers, and enthusiasts fascinated by these mysterious stones. While trovants remain a subject of intrigue, scientific findings confirm that their growth and multiplication are the results of natural geological processes rather than supernatural or extraterrestrial phenomena.

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