ISRO’s Aditya-L1 Performs TL1I Manoeuvre, Set to Reach Sun-Earth L1 Point
The Indian Space Research Organisation (ISRO) announced on Tuesday that its maiden solar mission — Aditya-L1 — has performed the Trans-Lagrangean Point 1 Insertion (TL1I) manoeuvre successfully and the spacecraft was now in a trajectory that will take it to the Sun-Earth L1 point. ISRO also informed that it marked the fifth consecutive time that the ISRO had successfully transferred an object on a trajectory toward another celestial body or location in space.
A post on the ISRO official handle on social media platform X read, “Aditya-L1 Mission | 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. It will be injected into an orbit around L1 through a manoeuvre after about 110 days. This is the fifth consecutive time ISRO has successfully transferred an object on a trajectory toward another celestial body or location in space.”
Earlier, a launcher carrying the Aditya-L1 spacecraft blasted off from the Satish Dhawan Space Station at Sriharikota in Andhra Pradesh. The primary objectives of India’s maiden solar mission include collecting scientific data and marking another milestone in India’s solar exploration efforts.
The agency had earlier posted on X, “Aditya-L1 Mission: Aditya-L1 has commenced collecting scientific data. The sensors of the STEPS instrument have begun measuring supra-thermal and energetic ions and electrons at distances greater than 50,000 km from Earth. This data helps scientists analyze the behaviour of particles surrounding Earth. The figure displays variations in the energetic particle environment, collected by one of the units.”
The Supra Thermal and Energetic Particle Spectrometer (STEPS) instrument, a part of the Aditya Solar Wind Particle Experiment (ASPEX) payload, also started its data-gathering operations earlier.
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An Egyptologist claims that he has accidentally found a series of secret hieroglyphic inscriptions on an iconic 3300-year-old Egyptian obelisk in Paris. This inscriptions are claimed to be meant for Egypt’s nobility, and they are likely propaganda praising the famous pharaoh Ramesses II to be ordained by the divine entities. Apparently, the pharaoh himself commissioned this obelisk at the beginning of his rule, and it originally stood outside of the Luxor temple in upper Egypt alongside another similar obelisk. Both monuments were later gifted to France by Pasha Muhammed Ali, the sultan of the Ottoman Empire.a series of secret hieroglyphic inscriptions on an iconic 3300-year-old Egyptian obelisk in Paris.
Discovery of the hidden inscription
According to a comment published by Sciences et Avenir from Jean-Guillaume Olette-Pelletier, the Egyptologist from the Institut Catholique de Paris, the hieroglyphs indicated the entrance to the Luxor Temple portico. He discovered that there was no literature discussing the different scenes, so he studied the images from afar. He eventually discovered that the obelisk contained hieroglyphic cryptographies or hidden messages. These encrypted texts were often secret texts inserted into hieroglyphs or hidden in 3D carvings. Only the elite could decipher these hidden messages.
The hidden messages on the “Seine side” of the obelisk could only be read at a 45° angle. Olette-Pelletier discovered that the hidden messages were intended to be seen by nobles arriving by boat at the temple of Luxor during the annual Opet festival, celebrating the return of the life forces of the god Amun.
Further studies and criticism
According to Olette-Pelletier, he has discovered other concealed messages on the obelisk. He pointed out, for example, that there are two rows of hieroglyphs that, depending on how they are read, might convey several meanings, such as stating that Ramesses II had endless life or writing out his whole royal name.
The findings are set to be published in the journal Égypte Nilotique et Méditerranéenne. However, scholars who were not involved in the research have urged caution in interpreting the findings, as they will not be able to review them in depth until the study is published. Egyptology professor Filip Taterka told Live Science that the inscriptions and imagery near the top of the obelisk would not have been visible to a noble person traveling by boat on the Nile.
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An Soviet Union lander is heading back into Earth’s atmosphere after 52 years staying in the orbit. Soviet Union’s Cosmos 482 was launched on March 31, 1972 and was supposed to land on Venus under the U.S.S.R.’s Venera programme. However, due to a certain malfunction, it could not leave Earth’s orbit and kept rotating around for 52 years. Its body was split into two halves; the main one crashed back to Earth, and the other section, the lander, got trapped in the Earth’s orbit.
Lander Returns to Earth
According to study, the lander is re-entering the Earth’s atmosphere and is expected to come back between May 8 to May 14. The most probable date is May 11, calculated based on the orbital data provided by satellite expert Marco Langbroek. This crash landing could occur anywhere between 52 degrees north and south of the equator, roughly from Quebec to Patagonia. According to NASA, the lander weighs around 1100 pounds, the weight of a car.
What Does it Look Like
This lander was designed to survive the way through the atmosphere of Venus, so there might be a possibility that it can survive the reentry into Earth’s atmosphere and remain intact with possibly no impact. However, the risks are not too high, but still not negligible, said Langbroek while speaking to Live Science.
Ralf Vandebergh, the advanced astrographer, used a camera attached to the telescope for tracking the orbiting satellites. Some images reveal that it might be the released parachute of the Cosmos 482, however, there is still no certainty, as it is surprising if the parachute will still work after so many years.
Cosmos 482 as Sister Probe to Venera 8
Cosmos 482 was built after Venera 8 as a sister probe. However, Venera 8 became the second craft to land on the hot surface of Venus during the same year, 1972. It beamed data from Venus for 50 minutes before getting burned by the scorching heat of Venus.
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