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Aditya-L1 was placed in orbit. One more ISRO Success.
Aditya-L1 launched to study the activities of the Sun, has now reached and inserted into Halo-orbit at 4 pm on the 6th of January 2024. Indian Space Research Organization has once again created history. Aditya-L1, launched to study the activities of the Sun, has now reached its orbit.

The Aditya-L1 spacecraft follows a Halo orbit that is periodic and located roughly 1.5 million km away from Earth, moving continuously along the Sun-Earth line. Its orbital period is approximately 177E86 Earth days. This Halo orbit is a three-dimensional orbit that involves the Sun, Earth, and Aditya L1, and it is periodic. For mission longevity and fuel efficiency, the spacecraft will follow a specific halo orbit that ensures a continuous, unobstructed view for a 5-year mission lifetime with minimal station-keeping manoeuvres.

Image Source: ISRO

Benefit of Aditya-L1

The Aditya-L1 mission is an Indian solar observatory located at the Lagrangian point L1. It aims to observe and understand the Sun’s chromospheric and coronal dynamics continuously. Placing Aditya-L1 in the halo orbit around L1 has advantages over Low Earth Orbit (LEO).
- The innovative process provides an unbeatable advantage for studying the interior of the sun. Offering a smooth and seamless change in the velocity of the spacecraft concerning the sun makes helioseismology an effortless and effective research method. Join the scientific community in exploring the mysteries of the sun with this pioneering process.
- It is suitable for “in situ” sampling of solar wind and particles since it lies outside Earth’s magnetosphere.
- It enables uninterrupted observation of the Sun and Earth, allowing for continuous communication to ground stations.
Launch of Aditya-L1

Aditya-L1 mission was launched on 2 September 2023 from Sriharikota, Andhra Pradesh. Moreover, it was launched five months ago with PSLV-C57. Through this, ISRO will now get information about the mechanisms of the Sun including coronal heating, explosions on the Sun’s surface and solar winds. The budget of this mission is Rs 1,000 crore and its tenure is at least 5 years.

ISRO had sent 7 payloads with Aditya-L1. Of these, four payloads will work for monitoring the Sun. Three payloads are for in-situ use. Furthermore, the data received through these payloads will help in understanding the mysteries of the Sun and monitoring real-time solar activity.
January 7, 2024
ISRO is working on the first day of New Year 2024.

ISRO will launch the country’s first x-ray polarimeter satellite today. It will be the first mission of ISRO on the first day of the new year 2024. Indian Space Research Organization i.e. ISRO is starting the year with a new space mission.

The Indian Space Research Organization will launch the country’s first polarimeter satellite in a few hours. This will study all aspects of the universe including black holes and galaxies. Furthermore, the countdown is on for the satellite launch. It is going to be completed very soon. ISRO will launch PSLV-C58 EXPOSat, an X-ray polarimeter satellite and 10 other payloads on Monday, the first day 2024.

The official has said that it started at 8.10 am on Sunday. This counting will be completed on January 1, 2024, at 9.10 am and the launch will also occur. Moreover, the 44.4-meter tall PSLV-C58 will take off from the first launchpad of SHAR Range with a payload of 260 tonnes in its 60th flight.

ISRO preparing for Surya mission in 2024

ISRO is currently engaged in the Surya mission after the success of the Chandra mission. Along with this, there are also preparations for human missions. For this, launch and training work is going on at many levels. Moreover, it is engaged in making the Surya Exploration Mission successful in 2024. Now the PSAVC58/ExpoSat mission is all set for launch.

Highlights of ISRO

The Indian Space Research Organisation (ISRO) is the national space agency of India. Founded in 1969, it operates as the primary research and development arm of the Department of Space (DoS), which is directly overseen by the Prime Minister of India. Moreover, the Indian Space Research Organisation is one of the most successful space agencies in the world and is responsible for a wide range of achievements.

Some of the achievements are:

Building and launching its satellites:

ISRO has launched over 130 satellites, including communication satellites, remote sensing satellites, and navigation satellites. Moreover, it is now one of the few countries in the world that can build and launch all types of satellites.

Developing its launch vehicles:

ISRO has developed a family of launch vehicles, including the Polar Satellite Launch Vehicle (PSLV) and the Geosynchronous Satellite Launch Vehicle (GSLV). Furthermore, these vehicles are used to launch Indian satellites and satellites from other countries.

Sending missions to the Moon and Mars:

ISRO has sent three missions to the Moon, Chandrayaan-1, Chandrayaan-2, and Vikram Lander. It also sent a mission to Mars, Mangalyaan, which successfully entered Mars orbit in 2014.

Developing satellite navigation systems:

ISRO has developed two satellite navigation systems, GAGAN and IRNSS (NavIC). Furthermore, these systems provide navigation services to users in India and the surrounding region.

Using space technology for development:

ISRO’s technologies are used in a wide range of applications, including telemedicine, disaster management, and irrigation.

The achievements of ISRO have made it a source of national pride for India. Moreover, the agency is playing an increasingly important role in international space cooperation.

January 1, 2024
Gaganyaan mission: ISRO has decided the time.

Gaganyaan mission: The Indian Space Research Organization (ISRO) decided the time of testing of Gaganyaan. ISRO will launch the first Gaganyaan on the 21st of October between 7 and 9 a.m.

What is Gaganyaan?

Gaganyaan is a spacecraft being developed by ISRO to send 3 astronauts into low-Earth orbit before 2024. Gaganyaan is a Sanskrit word that means “celestial vehicle”.

The Gaganyaan spacecraft has a weight of 5.3 tons (12,000 lbs) and is capable of carrying a three-member crew. Notably, the crew module has been equipped with two parachutes for redundancy, ensuring maximum safety during the mission.

The spacecraft will orbit Earth for 5-7 days at an altitude of 300-400 km. After completing its mission, it will then return to safety by splashing down in the Indian Ocean as planned.

When Gaganyaan will be launched?

The first uncrewed test flight is scheduled for October 21, 2023, followed by three more uncrewed test flights and the first crewed flight in 2024.

This will be an experimental mission before the main mission. The first mission will be launched from Satish Dhawan Center in Sri Harikota. The uncrewed module in TV-D1 will be sent to space and returned. In this experimental mission, the environment inside Gaganyaan differs from that of crew Gaganyaan.

A human spaceflight will be launched after four tests

ISRO has prepared a plan for the human spaceflight Gaganyaan in 2024. This will be India’s first mission. In a three-day mission, a team of 3 members will be sent to Earth’s orbit 400 kilometres away. Gaganyaan landing will be in the sea. If India also achieves this success, it will become the fourth country to carry out a human spaceflight. America, China and Russia have done it before.

ISRO Chairman S Somnath has said that four experimental tests will be conducted before the launch of Gaganyaan. The first test in this will be held on 21st October. Preparations for D2, D3 and D4 tests have also been completed. The first test involves Gaganyaan going into space, coming back and then recovering after landing in the Bay of Bengal.

The parachute test is successfully done before the Gaganyaan mission

ISRO had successfully tested the drag parachute for Gaganyaan in the Chandigarh lab in August itself. This parachute will help the astronauts to return safely to Earth. This parachute will reduce the speed of the vehicle. Along with this, it will also work to keep it stable. It has been tested in a real environment.

Astronaut training begins for the Gaganyaan mission

Prime Minister Narendra Modi had announced the Gaganyaan Mission on 15 August 2018. This mission was to be completed by 2022 but was delayed due to Corona. Training of astronauts for this mission has started in Bengaluru. A budget of about Rs 90.23 billion has been allocated for the Gaganyaan mission.

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October 17, 2023

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