Aditya L1 Mission Highlights: Countdown begins for Solar mission, mission payload to send 1,440 images per day | Mint
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Business News/ Science / News/  Aditya L1 Mission Highlights: Countdown begins for Solar mission, mission payload to send 1,440 images per day
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Aditya L1 Mission Highlights: Countdown begins for Solar mission, mission payload to send 1,440 images per day

ISRO's Aditya L1 mission highlights: Aditya-L1, the first space-based Indian observatory to study the Sun, is getting ready for the launch. It aims to provide unprecedented insights into the Sun's behaviour by placing itself in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system.

Aditya L1 Mission LIVE: Graphical representation of ISRO's solar mission (HT_PRINT)Premium
Aditya L1 Mission LIVE: Graphical representation of ISRO's solar mission (HT_PRINT)

Aditya L1 Mission highlights: The Indian Space Research Organisation (ISRO) has announced the launch of its next big project, the Aditya-L1 Mission, India's first solar mission that could revolutionise the understanding of the Sun's dynamics and space weather. ISRO has set the date for the launch of its first-ever solar mission on 2 September, Saturday. According to ISRO, the Aditya-L1 mission is the first space-based observatory-class Indian solar mission to study the Sun. It will be placed in a halo orbit around the Lagrangian point (L1) of the Sun-Earth system.

Check all the latest updates on Aditya-L1 Mission by ISRO at Mint's LIVE blog:

31 Aug 2023, 11:40:44 AM IST

Aditya-L1 Mission LIVE: Key facts about the Sun

  • Sun is the nearest star and the largest object in the solar system. It is a hot glowing ball of hydrogen and helium gases.
  • Age of Sun: The estimated age of sun is about 4.5 billion years.  
  • Distance between Earth and Sun: The distance to the Sun from the earth is about 150 million kilometres, and is the source of energy for the solar system. Without the solar energy the life on earth, cannot exist. The gravity of the sun holds all the objects of the solar system together.
  • Sun's parts: At the central region of the sun, known as ‘core’, the temperature can reach as high as 15 million degree Celsius. At this temperature, a process called nuclear fusion takes place in the core which powers the sun. The visible surface of the sun known as photosphere is relatively cool and has temperature of about 5,500 degrees Celsius.

31 Aug 2023, 11:21:37 AM IST

Aditya-L1 Mission LIVE: When and where to watch India's maiden solar mission

ISRO will be launching its solar mission Aditya-L1 on September 2, Saturday. The live telecast can be watched on the Doordarshan channel or ISRO's YouTube channel. Other news channels will also show the live telecast Aditya-L1 Mission. ISRO will lauch the mission at 11:50 am (IST) on 2nd September.

31 Aug 2023, 10:42:31 AM IST

Aditya L1 mission LIVE: Trajectory of ISRO's spacecraft

According to the ISRO's website, the spacecraft will be placed in a Low Earth Orbit. Subsequently, the orbit will be made more elliptical and later the spacecraft will be launched towards the Lagrange point (L1) by using onboard propulsion.

As the spacecraft travels towards L1, it will exit the Earths’ gravitational

Sphere of Influence (SOI). After exit from SOI, the cruise phase will

start and subsequently the spacecraft will be injected into a large halo

orbit around L1. The total travel time from launch to L1 would take about

four months for Aditya-L1.

Aditya L1 spacecraft trajectory: ISRo
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Aditya L1 spacecraft trajectory: ISRo
31 Aug 2023, 10:06:39 AM IST

Aditya L1 mission LIVE: What are Lagrange points

Aditya-L1 is planned to be placed in a halo orbit around the Lagrangian point1 (L1) of the Sun-Earth system, which is about 1.5 million km from the Earth.

Lagrange points: They are the positions in space where a small object tends to stay, if put there. These points in space for a two-body system such as Sun and Earth can be used by the spacecraft to remain at these positions with reduced fuel consumption.

Technically at Lagrange point, the gravitational pull of the two large bodies equals the necessary centripetal force required for a small object to move with them. For two-body gravitational systems, there are total five Lagrange points, denoted as L1, L2, L3, L4, and L5. The Lagrange point L1 lies between Sun-Earth line. The distance of L1 from Earth is approximately 1% of the Earth-Sun distance.

31 Aug 2023, 09:56:32 AM IST

Aditya-L1 mission LIVE updates: Duration of ISRO's solar mission

ISRO will position the spacecraft within a "halo orbit" around Lagrange point 1 (L1) in the Sun-Earth system, located approximately 1.5 million km away from Earth.

The journey to the designated mission site is a staggering 1.5 million km from the Earth and will take about four months to cover

31 Aug 2023, 09:49:55 AM IST

Aditya-L1 space mission: ISRO transports PSLV-C57 to Sriharikota's 2nd launch pad

The PSLV-C57, tasked with carrying the Aditya L1 mission, has been transported to Sriharikota's Second Launch Pad.

31 Aug 2023, 09:39:49 AM IST

Aditya L1 mission LIVE: India's upcoming space missions

Aditya- L1 mission: Slated for the launch of 2 September, the Aditya L1 (Aditya is a name for the sun in the Hindi language) is the first Indian space mission to study the sun.

Gaganyaan: India's first crewed space mission ("Gagan" means sky in Hindi, "yaan" is craft) plans to launch a crew of three to an orbit of 400 km (250 miles) for a three-day mission before landing in Indian waters.

NASA-ISRO SAR (NISAR) is a low-Earth orbit observatory system jointly developed by NASA and ISRO. NISAR will map the entire planet once every 12 days, providing data for understanding changes in ecosystems, ice mass, vegetation biomass, sea level rise, ground water and natural hazards including earthquakes, tsunamis, volcanoes and landslides.

31 Aug 2023, 09:00:00 AM IST

Aditya-L1 mission LIVE: Brief facts about ISRO's solar mission

- It is the first space-based observatory-class solar mission to unlock the mysteries of the Sun

-The Aditya L1 mission will cover a distance of 1.5 million kilometres from the Earth, about four times farther than the Moon.

-The TheAditya L1 mission aims to understand the Sun's coronal heating and solar wind acceleration, coupling the dynamics of the solar atmosphere, solar wind distribution and temperature anisotropy and initiation of coronal mass ejection (CME), flares and near-earth space weather.

Aditya L1 Mission
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Aditya L1 Mission
31 Aug 2023, 08:48:59 AM IST

Aditya-L1 mission LIVE: ISRO completes launch rehearsal, vehicle internal checks

ISRO has confirmed that the rehearsal of the launch of India's solar mission, Aditya-L1 has been completed.

ISRO wrote, "PSLV-C57/Aditya-L1 Mission: The preparations for the launch are progressing. The Launch Rehearsal - Vehicle Internal Checks are completed".

31 Aug 2023, 08:23:43 AM IST

Aditya L1 Mission LIVE: Role of 7 payloads of spacecraft

The roles of seven payloads of Aditya L1 Mission are:

  • Corona/Imaging & Spectroscopy
  • Photosphere and Chromosphere Imaging- Narrow & Broadband
  • Soft X-ray spectrometer: Sun-as-a-star observation
  • Hard X-ray spectrometer: Sun-as-a-star observation
  • Solar wind/Particle Analyzer Protons & Heavier Ions with directions
  • Solar wind/Particle Analyzer Electrons & Heavier Ions with directions

31 Aug 2023, 07:50:56 AM IST

Aditya L1 Mission LIVE: Major objectives of ISRO's Sun mission

The major science objectives of Aditya-L1's mission are:

  • Study of Solar upper atmospheric (chromosphere and corona) dynamics.
  • Study of chromospheric and coronal heating, physics of the partially ionized plasma, initiation of the coronal mass ejections, and flares
  • Observe the in-situ particle and plasma environment providing data for the study of particle dynamics from the Sun.
  • Physics of solar corona and its heating mechanism.
  • Identify the sequence of processes that occur at multiple layers (chromosphere, base, and extended corona) which eventually leads to solar eruptive events.
  • Magnetic field topology and magnetic field measurements in the solar corona.
  • Drivers for space weather (origin, composition, and dynamics of solar wind.

31 Aug 2023, 07:17:29 AM IST

Aditya L1 Mission LIVE: Key features of spacecraft

Aditya L1 Mission LIVE: The spacecraft is equipped with seven advanced payloads designed to scrutinize various layers of the Sun (photosphere, chromosphere and corona). The seven payloads are-

  • Visible Emission Line Coronagraph(VELC)
  • Solar Ultraviolet Imaging Telescope (SUIT)
  • Solar Low Energy X-ray Spectrometer (SoLEXS)
  • High Energy L1 Orbiting X-ray Spectrometer(HEL1OS)
  • Aditya Solar wind Particle Experiment(ASPEX)
  • Plasma Analyser Package For Aditya (PAPA)
  • Advanced Tri-axial High Resolution Digital Magnetometers

31 Aug 2023, 07:10:00 AM IST

Aditya L1 Mission LIVE: About ISRO's Sun mission

Aditya-L1, named after the Sun's core, aims to study Sun's behaviour by placing itself in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system, approximately 1.5 million kilometres from Earth.

31 Aug 2023, 06:33:09 AM IST

ISRO Aditya L1 mission launch timing 

ISRO has announced the launch of the PSLV-C57/Aditya-L1 Mission on Saturday at 11:50 am (IST) from the Satish Dhawan Space Centre (SDSC-SHAR) in Sriharikota, Andhra Pradesh.

31 Aug 2023, 06:30:08 AM IST

Aditya L1 mission LIVE: Launch date of Aditya-L1 solar mission

The Indian Space Research Organisation (ISRO) has set up the date- 2nd September (Saturday)  for the launch of the Aditya-L1 mission. The first space-based Indian observatory to study the Sun will be launched from Sriharokota on Saturday.

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