Hi,
1000 வருடங்கள் கழித்து நம் பூமி எப்படி இருக்கும் ?
Technological Advancements: The pace of technological progress is likely to continue, with advancements in fields such as artificial intelligence, biotechnology, space exploration, and renewable energy. This could lead to significant improvements in various aspects of human life, including healthcare, communication, and energy production.

Climate Change and Environmental Impact: Addressing climate change will likely be a major challenge. Efforts to transition to renewable energy sources, sustainable practices, and increased conservation may be crucial to mitigate the effects of climate change. The state of the environment will depend heavily on global cooperation and the success of these efforts.

Population and Demographics: The global population is expected to continue growing, but at a slower rate. Demographic shifts, such as aging populations in many developed countries, may have profound social and economic implications.

Space Exploration: Human exploration of space may become more advanced, with potential colonies on the Moon or Mars. Advancements in propulsion systems and space technologies could enable more ambitious missions to explore other planets and celestial bodies.

Biotechnology and Medicine: Advances in biotechnology could lead to breakthroughs in medical treatments, disease prevention, and possibly even increased human longevity. The ethical implications of these technologies would need careful consideration.

Cultural and Societal Changes: Cultural shifts are challenging to predict, but factors such as globalization, increased connectivity, and changes in political and economic systems could influence societies around the world. The role of technology in shaping culture and communication will likely continue to evolve.

Political Landscape: The geopolitical landscape is highly uncertain. The balance of power among nations may shift, and new political structures or alliances could emerge. International cooperation on global issues will be crucial for addressing challenges such as climate change and resource management.

Energy Sources: There may be a continued shift toward renewable energy sources, such as solar, wind, and nuclear power. Advances in energy storage technology could play a critical role in making renewable energy more practical and widespread.



Regards,
Vaan Veli
Santhosh

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HI,

Composition: The Sun is primarily composed of hydrogen (about 74%) and helium (about 24%), with trace amounts of other elements.

Size: The Sun is an average-sized star, about 1.4 million kilometers (870,000 miles) in diameter. It's so large that about 1.3 million Earths could fit inside it.

Energy Source: The Sun generates energy through a process called nuclear fusion, where hydrogen atoms fuse to form helium. This process releases a tremendous amount of energy in the form of light and heat.

Temperature: The core of the Sun is incredibly hot, with temperatures reaching around 15 million degrees Celsius (27 million degrees Fahrenheit). The surface temperature, known as the photosphere, is cooler at about 5,500 degrees Celsius (9,932 degrees Fahrenheit).

Energy Output: The Sun emits an estimated 3.8 x 10^26 watts of energy, which is equivalent to the energy produced by about 100 billion nuclear bombs exploding every second.

Light Speed: It takes about 8 minutes and 20 seconds for sunlight to travel from the Sun's surface to Earth.

Life Cycle: The Sun is currently in the middle of its main sequence phase, where it has been shining for about 4.6 billion years. It's expected to continue this phase for another 5 billion years or so.

Solar Flares: The Sun occasionally experiences solar flares, which are intense bursts of radiation and energy. These flares can cause disruptions to communication systems and power grids on Earth.

Sunspots: Sunspots are cooler, darker areas on the Sun's surface caused by magnetic activity. They often occur in cycles, with the number of sunspots waxing and waning over an 11-year period.

Solar Wind: The Sun emits a stream of charged particles called solar wind, which constantly flows outward in all directions. This solar wind interacts with Earth's magnetosphere and can create phenomena like the auroras (northern and southern lights).

Gravity: The Sun's enormous mass creates a strong gravitational pull that keeps all the planets in our solar system, including Earth, in orbit around it.

Eclipses: Solar eclipses occur when the Moon passes between the Earth and the Sun, blocking out some or all of the Sun's light. Total solar eclipses, where the Sun is completely obscured, are rare and awe-inspiring events.

Regards,
VaanVeli





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In this video, I'm going to show you the size and impact information about Asteroids in 3D that have fallen on our planet earth. I'll show you how to compare the size of different asteroids and how deadly they can be when they fall to Earth. This information can help you understanding the potential damage an asteroid could cause if it were to hit Earth.

This video is a great tool for learning about the dangers of asteroid collisions, and helping you to understand the impact that they can have on our planet. I'll also share with you some useful information about how to keep yourself and your family safe from potentially deadly asteroid falls!


நம் பூமியில் விழுந்த விண் கர்களின் அளவும் அதன் தாக்கம் பற்றிய தகவல்களை உங்களுக்கு 3D இல் காட்டியுளேன், வீடியோ பார்த்து மகிழுங்கள். உங்களின் ஆதரவுக்கு மிக்க நன்றி.

Regards,
Vaan Veli


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460 கோடி ஆண்டுகளுக்கு முன் நம் பூமி உருவாகி அதன் பின் தற்போதைய நிலைக்கு மாறிய விளக்கம் இந்த காட்சியில் தமிழில் கூறப்பட்டுள்ளது . உங்களுடைய கருத்துக்களை கீழ் தெரிவிக்கலாம் நன்றி.






#பூமிஉருவானவரலாறு #earth #human #history #earth, #universe #humanevolution #cretaceous #dinosaur #ourplanet #historyofearthtamil #evolution #பூமிஉருவானவரலாறு #earthhistory #humanhistory #earth #universe #humanevolution #earthtamil #vaanveli #ulagam #humanevolutionanimation #earthhistoryintamil #earthhistoryanimation #earthdocumentary #cretaceous #dinosaur #moon #science #earthandmoon #earthandsun #extinsion #howtheearthwasmade #climatechange #whatif #dinosaurs #historyoftheworld #naturaldisasters #ourplanet #historyofearthtamil #evolution #evolutionofhuman #humanevolutionexplained #vaanveli #vaan_veli #earthfacts #earthhistory #shorts #whatif

History of our planet EARTH, 460 கோடி ஆண்டுகளுக்கு முன் நம் பூமி உருவாகி அதன் பின் தற்போதைய நிலைக்கு மாறிய விளக்கம் இந்த காட்சியில் தமிழில் கூறப்பட்டுள்ளது . உங்களுடைய கருத்துக்களை கீழ் தெரிவிக்கலாம் நன்றி.

Earth's formation (4.54 billion years ago): The Earth was formed from the dust and gas that surrounded the newborn Sun. The accretion process involved smaller particles colliding and sticking together to form larger bodies, eventually culminating to the formation of the Earth.

2. Hadean Eon (4.54 to 4 billion years ago): Earth was characterized by extreme heat and numerous asteroid collisions throughout this eon. The first oceans formed, and the atmosphere began to form.

Earth History in Tamil, Earth History, History of earth, How earth formed , History of our universe,

Regards,
Vaan Veli
Santhosh






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Hi, See the Top 10 Extinct Animals.

Gorgonopsia:
Gorgonopsia is an extinct clade of sabre-toothed therapsids from the Middle to Upper Permian roughly 265 to 252 million years ago. They are characterised by a long and narrow skull, as well as elongated upper and sometimes lower canine teeth and incisors which were likely used as slashing and stabbing weapons.

Dickinsonia:
Dickinsonia is a genus of extinct organism that lived during the late Ediacaran period in what is now Australia, China, Russia and Ukraine, most likely a basal animal. It is one of the best known members of the Ediacaran biota. The individual Dickinsonia typically resembles a bilaterally symmetrical ribbed oval.

Haikouichthys:
Haikouichthys is an extinct genus of craniate that lived 518 million years ago, during the Cambrian explosion of multicellular life

Astraspis :
Astraspis is an extinct genus of primitive jawless fish from the Ordovician of Central North America including the Harding Sandstone of Colorado and Bighorn Mountains of Wyoming. It is also known from Bolivia.

Pneumodesmus newmani:
Pneumodesmus newmani is a species of myriapod that lived during the late Wenlock epoch of the Silurian period around 428 million years ago.

Nothosaurus :
Nothosaurus is an extinct genus of sauropterygian reptile from the Triassic period, approximately 240–210 million years ago, with fossils being distributed from North Africa and Europe to China. It is the best known member of the nothosaur order

Scutosaurus :
Scutosaurus is an extinct genus of pareiasaur parareptiles. Its genus name refers to large plates of armor scattered across its body. It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight

Dimetrodon :
Dimetrodon is a genus of non-mammalian synapsid that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago. It is a member of the family Sphenacodontidae.

Jaekelopterus :
Jaekelopterus is a genus of predatory eurypterid, a group of extinct aquatic arthropods. Fossils of Jaekelopterus have been discovered in deposits of Early Devonian age, from the Pragian and Emsian stages.

Titanichthys :
Titanichthys is an extinct genus of giant, aberrant marine placoderm from shallow seas of the Late Devonian of Morocco, Eastern North America, and possibly Europe. Many of the species approached Dunkleosteus in size and build.

Regards,
Vaan Veli
Santhosh

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Hi, பூமியில் நீர் எப்படி உருவானது தெரியுமா ?
Saltwater: Approximately 97.5% of the world's water is in the form of saltwater, found in oceans and seas.

Freshwater: The remaining 2.5% of the world's water is freshwater, which is found in various forms, including:

a. Surface Water: This includes water in lakes, rivers, and other surface water bodies. These sources make up only a small fraction of the total freshwater on Earth.

b. Groundwater: Most of the world's freshwater is stored underground in aquifers. Groundwater is a crucial source of drinking water and is also used for irrigation and industrial purposes.

c. Ice: A significant portion of freshwater is stored in the form of ice in glaciers and polar ice caps.

d. Atmosphere: Water vapor in the atmosphere is also considered part of the Earth's freshwater resources, although it is relatively small in comparison to other forms.



Regards,
Vaan Veli
Santhosh



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Hi,
பூமியின் தங்கச்சி விடிவெள்ளி,

Venus is the second planet from the Sun and is commonly referred to as Earth's "sister planet" due to its similar size and composition. It is the closest planet in our solar system to Earth.

Venus is quite comparable to Earth in size, with a diameter of around 12,104 kilometres (7,521 miles), making it the second-largest terrestrial planet after Earth.

Extreme Surface Temperature: The surface of Venus is extremely hot, with temperatures reaching over 900 degrees Fahrenheit (475 degrees Celsius). Despite being further from the Sun, this is hotter than the surface of Mercury.

Venus has a thick and dense atmosphere that is mostly made up of carbon dioxide (approximately 96.5%) with traces of sulphur dioxide and nitrogen. This atmosphere has a high greenhouse effect, trapping heat and contributing to the planet's severe temperatures.

Venus revolves on its axis in the opposite direction as the majority of the planets in our solar system, a phenomenon known as retrograde rotation. It rotates slowly, taking approximately 243 Earth days to complete one rotation, thus its day (one full day-night cycle) is actually shorter than its year (approximately 225 Earth days).

No Moons or Rings: Unlike many other planets in our solar system, Venus has no moons or rings.

Volcanic Activity: It is thought that Venus had a geologically active history with substantial volcanic activity. Its surface is covered in numerous of volcanoes, including the colossal Maxwell Montes, Venus's tallest peak.

Extreme Pressure: The pressure on Venus's surface is approximately 92 times that of Earth's surface, which is similar to the pressure found 900 metres (3,000 feet) underwater on Earth.

Venus has no liquid water on its surface because of its high temperatures and dense atmosphere. Any water that existed in the past is likely to have evaporated and escaped into space.

Exploration of Spacecraft: Several spacecraft have been despatched to Venus to examine its surface and atmosphere. In the 1990s, NASA's Magellan mission utilised radar to map the planet's surface in great detail, revealing features such as volcanoes and enormous highland regions.

Future Exploration: Future missions to Venus were planned as of my last information update in September 2021, including NASA's VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) and ESA's EnVision missions. These missions aim to learn more about Venus and its geology.


Regards,
Vaan Veli
Santhosh


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#vaanveli #adityal1 #sunfacts

Sun Facts 1:
https://youtu.be/ok3U2N1gclU?si=UWtwxEmqlaPY-PeV

Sun Facts 2:
https://youtu.be/YTZ712B7C2g?si=I1_IL8igigv8_IRz

நட்சத்திரத்தின் அணுக்கரு இணைவு :
https://youtu.be/zEztpqIV9bk?si=XWtQzMZuUFQM_SLq

சூரியன் பூமிக்கு அருகில் வந்தால் என்ன ஆகும் ?
https://youtu.be/dvALnR3n3Dc?si=G7_Z9V8vJftxBmo-

அழிவின் விளிம்பில் அடுத்த தலைமுறை :
https://youtu.be/NCWBWYoxzkw?si=pFlUHZQp-dpVWIuG

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Hi,

Aditya L1 will be India's first space-based mission to study the Sun. The spacecraft will be positioned in a halo orbit around the Sun-Earth system's Lagrange point 1 (L1), which is approximately 1.5 million kilometres away from Earth. A satellite in halo orbit around the L1 point has the significant benefit of continuously viewing the Sun with no occultation/eclipses. This will give us a better chance of seeing solar activity and its impact on space weather in real time. The spacecraft includes seven payloads that will use electromagnetic, particle, and magnetic field detectors to study the photosphere, chromosphere, and the Sun's outermost layers (the corona). Four payloads directly see the Sun from the exceptional vantage point L1, while the remaining three payloads conduct in-situ particle and field studies at the Lagrange point L1, offering essential scientific studies of the propagatory influence of solar dynamics in the interplanetary medium.

The Aditya L1 payload suites are intended to offer critical information for understanding the problem of coronal heating, coronal mass ejection, pre-flare and flare activities and their characteristics, dynamics of space weather, particle and field propagation, and so on.

Objectives of Science:

The Aditya-L1 mission's primary scientific goals are as follows:

Dynamics of the solar upper atmosphere (chromosphere and corona).
The investigation of chromospheric and coronal heating, the physics of partly ionised plasma, the start of coronal mass ejections, and flares.
Observe the in-situ particle and plasma environment for data on particle dynamics from the Sun.
The solar corona's physics and heating mechanism.
Coronal and coronal loops plasma diagnostics: Temperature, velocity, and density are all variables.
CME evolution, dynamics, and genesis.
Determine the sequence of processes that occur at many levels (chromosphere, base, and extended corona) and lead to solar eruptive events.
Topology of magnetic fields and magnetic field measurements in the solar corona.
Space weather drivers (the genesis, composition, and behaviour of solar wind.

Aditya-L1's instruments are designed to observe the solar atmosphere, specifically the chromosphere and corona. At L1, in-situ instruments will observe the local environment. There are seven payloads on board, four of which perform distant sensing of the Sun and three of which perform in-situ observation.


Regards,
Vaan Veli
Santhosh



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#vaanveli #moonfacts #chandrayaan3

Hi,
இது தெரிஞ்சா நிலவுக்கு போகணும்னு நினைக்கமாட்டீங்க


15 Seconds Challenge on moon:
Because there is no oxygen, you would go unconscious in 15 seconds. Because there is little or no air pressure, your blood and bodily fluids would boil and then freeze.

1. The Moon is the sole natural satellite of Earth.
2. It is roughly one-sixth the size of Earth.
3. On average, the Moon is 238,855 miles (384,400 km) distant from Earth.
4. Because the Moon's gravity is about one-sixth that of Earth's, you would weigh less on the Moon.
5. The Moon possesses an exosphere, which is an extremely thin and tenuous atmosphere that contains trace amounts of helium, neon, and other elements.
6. The Moon orbits Earth in a roughly round orbit.
7. It takes the Moon approximately 27.3 Earth days to orbit our planet.
8. Because the Moon rotates once on its axis in around 27.3 days, we always view the same face from Earth, a phenomenon known as synchronous rotation.
9. The side of the Moon facing away from Earth is referred to as the "far side" or "dark side," despite the fact that it is not literally dark; it is simply obscured from our perspective.
10. The Moon's surface is covered in impact craters caused by billions of meteoroid collisions over billions of years.
The South Pole-Aitken Basin, which is about 1,550 miles (2,500 km) wide, is the Moon's largest crater.
12. Although there is no liquid water on the Moon's surface, there is evidence of water ice in permanently shadowed craters near the pole.

Temperature Extremes: The Moon experiences extreme temperature variations due to its lack of atmosphere. During its daytime, temperatures can reach over 100°C (212°F), while during its nighttime, temperatures can drop below -170°C (-274°F).

Moonquakes: The Moon experiences seismic activity, known as moonquakes. These can be caused by the gravitational interactions with Earth, the cooling and contraction of the Moon's interior, and the residual energy from ancient impacts.

Human Visits: The first human landing on the Moon was by NASA's Apollo 11 mission in 1969, when astronauts Neil Armstrong and Edwin "Buzz" Aldrin became the first humans to walk on the lunar surface.

Future Exploration: There are plans for future lunar exploration, including establishing a sustainable human presence on the Moon as a stepping stone for further space exploration, such as missions to Mars.

These are just a few intriguing facts about our Moon. It continues to be a subject of scientific research and inspiration for humanity's exploration of space.


Lunar Phases Influence Tides: The Moon's gravitational pull causes tides on Earth. When the Moon is at its closest point to Earth (perigee), tides can be especially high, known as spring tides. When the Moon is at its farthest point from Earth (apogee), tides are less extreme, known as neap tides.





Regards,
Vaan Veli
Santhosh






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Hi,

நிலவுக்கு குடி போகணும்னு ஆச படறீங்களா ? அப்போ நீங்க மட்டும் இத பாருங்க

what if we build a house in moon?
Buildings on the moon do not need to be as robust because gravity pull is around 6 times less. A ceiling/floor would require 6 times the mass to break than the comparable ceiling/floor on Earth.

Some moon Facts :
Natural Satellite: The Moon is Earth's only natural satellite and is about 1/6th the size of Earth.

Formation: The prevailing theory is that the Moon formed around 4.5 billion years ago when a Mars-sized object collided with a young Earth, and the debris from this collision eventually coalesced to form the Moon.

Phases: The Moon goes through different phases due to its position relative to the Sun and Earth. These phases include new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent.

Synchronous Rotation: The Moon is in synchronous rotation with Earth, meaning it always shows the same face towards our planet. This side is often referred to as the "near side," while the other side is called the "far side" or "dark side."

Surface Features: The Moon's surface is covered in impact craters, large basins (such as the Imbrium, Serenitatis, and Crisium basins), mountains, valleys, and "seas" or dark, flat areas formed by ancient volcanic activity.

Gravity: The Moon's gravity is about 1/6th of Earth's gravity, which is why astronauts on the Moon can jump higher and objects are much lighter there.

Lunar Maria: The "seas" on the Moon are actually solidified basaltic lava flows from ancient volcanic activity. They were named "maria," which is Latin for "seas," by early astronomers who mistakenly thought they were bodies of water.


Lunar Phases Influence Tides: The Moon's gravitational pull causes tides on Earth. When the Moon is at its closest point to Earth (perigee), tides can be especially high, known as spring tides. When the Moon is at its farthest point from Earth (apogee), tides are less extreme, known as neap tides.

Temperature Extremes: The Moon experiences extreme temperature variations due to its lack of atmosphere. During its daytime, temperatures can reach over 100°C (212°F), while during its nighttime, temperatures can drop below -170°C (-274°F).

Moonquakes: The Moon experiences seismic activity, known as moonquakes. These can be caused by the gravitational interactions with Earth, the cooling and contraction of the Moon's interior, and the residual energy from ancient impacts.

Human Visits: The first human landing on the Moon was by NASA's Apollo 11 mission in 1969, when astronauts Neil Armstrong and Edwin "Buzz" Aldrin became the first humans to walk on the lunar surface.

Future Exploration: There are plans for future lunar exploration, including establishing a sustainable human presence on the Moon as a stepping stone for further space exploration, such as missions to Mars.

These are just a few intriguing facts about our Moon. It continues to be a subject of scientific research and inspiration for humanity's exploration of space.





Regards,
Vaan Veli
Santhosh

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Hi,

Star Classification: The Sun is a G-type main-sequence star, often referred to as a G-dwarf star or a yellow dwarf.

Size and Mass: The Sun is about 109 times the diameter of Earth and approximately 333,000 times its mass. It accounts for about 99.86% of the total mass of the entire Solar System.

Energy Source: The Sun's energy comes from nuclear fusion reactions occurring in its core, where hydrogen nuclei fuse to form helium, releasing a tremendous amount of energy in the process.

Light Travel Time: The sunlight we see from the Sun actually left its surface about 8 minutes and 20 seconds ago. This is because light takes time to travel the distance between the Sun and Earth.

Surface Temperature: The Sun's surface, known as the photosphere, has an average temperature of around 5,500 degrees Celsius (9,932 degrees Fahrenheit). However, the Sun's core temperature reaches millions of degrees Celsius due to the fusion reactions taking place there.

Solar Flares and Sunspots: The Sun's surface is not uniformly smooth. It has dark spots called sunspots, caused by the Sun's magnetic activity. Solar flares, which are bursts of energy and radiation, can also occur due to this magnetic activity.

Solar Wind: The Sun constantly emits a stream of charged particles called solar wind. This solar wind affects the space environment of the entire Solar System and interacts with the planets' magnetospheres.

Life Cycle: The Sun is approximately 4.6 billion years old and is roughly middle-aged in terms of its life cycle. It's currently in the phase where it's fusing hydrogen into helium in its core.

Future Evolution: In about 5 billion years, the Sun will exhaust its hydrogen fuel and enter a phase where it expands into a red giant, swallowing up Mercury, Venus, and possibly Earth. Eventually, it will shed its outer layers and become a white dwarf.

Solar Eclipses: Solar eclipses occur when the Moon passes between the Earth and the Sun, blocking out the Sun's light. Total solar eclipses happen when the apparent size of the Moon matches that of the Sun, creating a stunning visual effect.

Composition: The Sun is primarily composed of hydrogen (about 74%) and helium (about 24%). Other elements, such as oxygen, carbon, neon, and iron, make up the remaining percentage of its composition.

Size: The Sun is an average-sized star, classified as a G-type main-sequence star (G2V). Its diameter is about 109 times that of Earth, and it could fit more than 1.3 million Earths inside it.

Energy Source: The Sun generates energy through a process called nuclear fusion, where hydrogen nuclei combine to form helium, releasing an immense amount of energy in the form of light and heat.

Temperature: The temperature at the Sun's core is estimated to be around 15 million degrees Celsius (27 million degrees Fahrenheit). The surface temperature, known as the photosphere, is about 5,500 degrees Celsius (9,932 degrees Fahrenheit).

Light Travel Time: It takes about 8 minutes and 20 seconds for light from the Sun to reach Earth. This means that when we look at the Sun, we are actually seeing it as it appeared over 8 minutes ago.

Sunspots: Sunspots are temporary dark spots that appear on the Sun's surface due to magnetic activity. They are cooler regions compared to the surrounding areas and can vary in size.

Solar Flares and Coronal Mass Ejections (CMEs): The Sun occasionally experiences explosive events known as solar flares and CMEs, releasing bursts of energy and charged particles into space. These phenomena can affect Earth's space environment and cause geomagnetic storms.

Solar Wind: The Sun constantly emits a stream of charged particles called solar wind, which flows outward into space and influences the heliosphere, the region dominated by the Sun's magnetic field.

Lifecycle: The Sun is currently about 4.6 billion years old and is estimated to have a total lifecycle of around 10 billion years. It is currently in the middle stage of its life, where it fuses hydrogen into helium in its core.

Importance to Earth: The Sun is essential for life on Earth. It provides light and heat necessary for maintaining suitable conditions for life. It also drives the Earth's climate, weather, and various natural processes.

Sun's Magnetic Field: The Sun has a complex and dynamic magnetic field that gives rise to various solar phenomena, including sunspots, flares, and CMEs.

Regards,
VaanVeli
Santhosh






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