Heliophysics


What is Heliophysics?

Studying the nature of the Sun and how it influences the very nature of space and the planets and the technology that exists there. 

Space is not completely empty: We live in the extended atmosphere of an active star. Our Sun sends out a steady outpouring of particles and energy known as the solar wind, carrying the Sun's writhing magnetic field. This extensive, dynamic solar atmosphere surrounds the Sun, Earth, the planets, and extends far out into the solar system.

Why we need to study Heliophysics?

It not only helps us understand fundamental information about how the universe works, 

Also helps protect our technology and astronauts in space from the effects of space weather. 

Space weather events can interfere with our communications, satellites and power grids. 

The study of the Sun and space also reveals how stars contribute to the habitability of planets throughout the universe.

Mapping out this interconnected system requires a holistic study of the Sun’s influence on space, Earth, and other planets.  

How we study Sun?

NASA has a fleet of spacecraft strategically placed throughout our heliosphere—from Parker Solar Probe at the Su(India launched Aditya L1 to watch Sun) observing the very start of the solar wind, to satellites around Earth, to the farthest human-made object, Voyager, which is sending back observations on interstellar space. 

Each mission is positioned at a critical, well-thought out vantage point to observe and understand the flow of energy and particles throughout the solar system—all helping us untangle the effects of the star we live with.

(Source- - NASA official site.)

Compiled by

Ms Naresh kuwar 


Popular posts from this blog

Methonol a promising alternative to fossil fuel.

Image
Methanol a promising alternative to fossil fuels.  In the area of- Transportation Methanol can be used in road, rail, and marine transportation. It can be more affordable and reliable than electric vehicles (EVs) in some situations, like long-haul transportation.  Methanol engines can be as efficient as diesel engines without the diesel emissions. Energy Methanol can be used in boilers, process heating modules, tractors, and commercial vehicles.  Cooking Methanol can be used as a cooking fuel in stoves and canisters that don't require pipes or regulators.    Benefits Environmental impact Methanol can reduce nitrogen oxide emissions by up to 80% and carbon dioxide emissions by up to 95% compared to fossil fuels.  Accidental spills not harmful for environment as methonol is biodegradable,  ' Production Methanol can be produced from a variety of sources,  agricultural products,  municipal waste,  wood, and biomass.  from chemical recyc...
Read more

"if you give the public freedom, they can kill you," - Rhythm 0

Image
 "if you give the public freedom, they can kill you,"  - Rhythm 0 Rhythm 0 Rhythm 0, the chilling social experiment that exposed the darkest side of human behaviour in 1974. Abramović set the terms simply and chillingly: for six hours she would stand motionless while the audience could use any of 72 objects laid out on a white-draped table. “I am the object. During this period I take full responsibility,” she instructed. The objects ranged from the innocuous to the dangerous, a rose, a hairbrush, a mirror, lipstick, a candle, a comb, a glass, and a gun with a bullet, a knife among them, the arrangement resembling an altar that invited choices both tender and brutal. Maria Abramović’s Marina Abramović's upbringing in post-war Yugoslavia was marked by privilege and strict control, with her parents being decorated WWII partisans and prominent figures in the communist government, leading to a secure but regimented childhood, heavily influenced by her religious grandmother and...
Read more

3I-Atlas Closest to Earth on 19 December 2025 danger of hitting Earth

Image
3I-Atlas story so far On July 1, the NASA-funded ATLAS ( Asteroid Terrestrial-impact Last Alert System ) survey telescope in Rio Hurtado, Chile, first reported observations of a comet that originated from interstellar space. Arriving from the direction of the constellation Sagittarius, the interstellar comet has been officially named 3I/ATLAS. It is currently located about 420 million miles (670 million kilometers) away. This diagram shows the trajectory of interstellar comet 3I/ATLAS as it passes through the solar system. It will make its closest approach to the Sun in October.  It is currently about 4.5 au (about 416 million miles or 670 million km) from the Sun. 3I/ATLAS will reach its closest approach to the Sun around Oct. 30, at a distance of 1.4 au (about 130 million miles or 210 million km) — just inside the orbit of Mars. 3I-Atlas Closest to Earth on 19 December 2025 danger of hitting Earth Although the trajectory of 3I/ATLAS brought it just inside the orbit of Mars, it is...
Read more