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After India’s solar mission, Aditya L1 began its journey towards Lagrange point 1 following a key manoeuvre, it has started studying energetic particles in the solar wind from space and will continue to do so for the rest of its life, a senior astrophysicist said. The study of the solar wind, the continuous flow of charged particles from the sun which permeates the solar system, will be carried out with the help of a device named Supra Thermal & Energetic Particle Spectrometer (STEPS), a part of the Aditya Solar wind Particle Experiment (ASPEX) payload.

“STEPS is now working from space. However, it was not sitting idle earlier. It has started functioning from within the magnetic field of the Earth since September 10 when Aditya was 52,000 kilometres above our planet,” Dr Dibyendu Chakrabarty, professor of Space and Atmospheric Sciences at the Physical Research Laboratory (PRL) said.
STEPS was developed by the PRL with support from the Space Application Centre (SAC) in Ahmedabad.

“During the travel time of four months (till Aditya L1 reaches its destination), it will study energetic particles in the solar wind. The data will help maintain the health and performance of our space assets in a better way,” Dr Chakrabarty told PTI.

The key aim of STEPS is to study the environment of energetic particles from the spacecraft’s position on the L1 point till it will function, he said. “The data from STEPS in the long term will also help us understand how space weather changes,” the space scientist said.

STEPS comprises six sensors, each observing in different directions and measuring supra-thermal and energetic ions. The data collected during the Earth’s orbits helps scientists to analyse the behaviour of particles surrounding the planet, especially in the presence of its magnetic field.

Aditya-L1, launched by the Indian Space Research Organisation (ISRO) on September 2, will go up to the First Lagrangian point, about 1.5 million km from the Earth ISRO on September 18 said on X: “Off to Sun-Earth L1 point! The Trans-Lagrangean Point 1 Insertion (TL1I) manoeuvre is performed successfully. The spacecraft is now on a trajectory that will take it to the Sun-Earth L1 point.” Lagrangian points are where gravitational forces, acting between two objects, balance each other in such a way that the spacecraft can ‘hover’ for a longer period of time.

The L1 point is considered the most significant of the Lagrangian points, for solar observations, which were discovered by mathematician Joseph Louis Lagrange. 

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A Pyramid in the Amazon? The Mystery of Cerro El Cono in Peru’s Sierra del Divisor

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May 6, 2025

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A Pyramid in the Amazon? The Mystery of Cerro El Cono in Peru's Sierra del Divisor

The mysterious peak of Cerro El Cono, standing isolated in the Sierra del Divisor, a mountainous border between Peru and Brazil, has drawn attention of researchers for its mysterious pyramidal shape, emerging from the plain and protruding from the virgin lowland forest. In the Andes mountain range, the structure is visible from a distance of up to 250 miles (400 kilometers) on clear days. Because of its remote location, Cerro El Cono’s origins have remained a mystery. Some reports suggest that “The cone hill” may just be a peculiar rock structure, while others speculate that it may be an extinct volcano. 

Origin Theories

According to research featured in La República, the 1310-foot-tall Corro El Cono is a spiritual entity for the local tribes. It is respected as an Andean Apu, a secret mountain believed to hold protective powers for the people living in its vicinity.

Some researchers speculate it as an extinct volcano due to its distinct shape, but this hypothesis remains unconfirmed due to limited research and accessibility issues in this area.
Another explanation — one for which there is no evidence — is that Cerro El Cono sits on the ruins of a pyramid built by ancient Indigenous tribes.

Conservation challenges

The surrounding jungle of Cerro El Cono is a home to several vulnerable species, including giant armadillos (Priodontes maximus), jaguars (Panthera onca) and various types of monkeys, according to The Guardian. This makes it environmentally significant and it is considered a Biodiversity hotspot.

To combat threats of environmental degradation due to illegal logging, gold mining, and poaching, Sierra del Divisor National Park was created in 2015. But recent surveys show, this protected park has failed to deliver the promised threat removal.

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Hubble Captures Stunning Image of Peculiar Spiral Galaxy Arp 184 in Camelopardalis

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May 6, 2025

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Hubble Captures Stunning Image of Peculiar Spiral Galaxy Arp 184 in Camelopardalis

NASA/ESA Hubble space telescope has captured a beautiful yet skewed-shaped spiral galaxy that resides about 190 million light-years away from Earth. This galaxy, named Arp 184 or NGC 1961, is a part of the Camelopardalis or the Giraffe constellation. Its vivid and dazzling image reveals its asymmetric shape, and a single spiral arm stretched towards the viewer make it an interesting prospect for studies. The occurrence of multiple supernovae has drawn the attention of researchers to be a valuable target for research into galactic interactions and stellar explosions.

Cataloguing the galaxy

According to the Atlas of Peculiar Galaxies compiled by astronomer Halton, Arp in 1966, the galaxy is named Arp 184. This catalogues about 338 galaxies that tend to be neither entirely spiral nor entirely elliptical-shaped. Dwarf galaxies without particular structures and the galaxies interacting with one another are also catalogued here. Arp 184 has a bright spot radiating light as the centre. A thick, stormy disc of material surrounds this, with swirling strands of dark dust and bright spots of star formation strewn through the disc.

A large spiral, star-speckled arm extends from the disc towards the viewer, for which it has earned a spot in this Atlas. The far side of Arp 184 does not have this impressive stretched arm, but it sports a few wisps of gas and stars on that side.

Hubble snapshot observing programs

The Hubble image showcases data from three Snapshot observing programs, one of which focused on Arp 184 for its unique appearance. The program surveyed galaxies listed in the Atlas of Peculiar Galaxies and A Catalogue of Southern Peculiar Galaxies and Associations. The other two programs examined the aftermath of astronomical events like supernovae and tidal disruption events. Arp 184, having hosted four known supernovae in the past three decades, is a prime target for a supernova hunt.

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NASA’s Don Pettit Returns to Earth with Russian Crewmates After ISS Science Mission

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May 6, 2025

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NASA’s Don Pettit Returns to Earth with Russian Crewmates After ISS Science Mission

The Soyuz MS-26 spacecraft returned to Earth after a months-long mission on the International Space Station on April 19, 2025. Along with cosmonauts Alexey Ovchinin and Ivan Vagner, the spacecraft carried NASA astronaut Don Pettit too. Undocked from the ISS, the spacecraft drifted away and began descending three hours later to land in Kazakhstan. Pettit’s time in orbit was marked by numerous scientific investigations focused on future space missions, including experiments on metal 3D printing, advanced water sanitation, plant biology, and fire behaviour in microgravity.

Back to Earth: Soyuz Returns Don Pettit and Crewmates After Scientific Mission in Orbit

As per the NASA mission summary, Pettit logged hundreds of hours on research projects aimed at enhancing long-duration spaceflight technologies. Agency updates state that the 3D printing experiments advanced additive manufacturing in weightless conditions, while the fire dynamics tests offered critical data for onboard safety measures. Research on water purification and sustainable plant growth will help support life support systems on future lunar and Martian habitats.

The Soyuz‘s successful return added another chapter to routine international crew rotation efforts between NASA and Roscosmos. The landing site in Kazakhstan remains a standard recovery zone, where helicopters and ground teams met the crew for medical checks and post-flight evaluations. Despite the early morning landing, visibility was clear, ensuring a smooth retrieval.

Pettit’s mission emphasised how the ISS remains a critical platform for microgravity research. His investigations contribute directly to ongoing goals for sustainable space exploration and planetary habitation, aligning with NASA’s Artemis and Mars-forward objectives.

With the Soyuz MS-26 crew safely home, the ISS programme continues with its next phase of operations, including further earth science, space technology testing, and international crew collaboration.

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