Скачать или смотреть "Magnetic fields — the invisible backbone of the interstellar medium!" | Aggressive thinker

The magnetic field in the interstellar medium (ISM) plays a very important role in shaping space environments between the stars.

The interstellar medium — the gas, dust, and cosmic rays that fill space between stars — is threaded by weak but widespread magnetic fields.

Usually between 1 to 10 microgauss (µG) — much weaker than Earth’s magnetic field.

But still powerful enough to influence cosmic processes.

Believed to come from stellar explosions (supernovae) and galactic rotation, which amplify and spread magnetic lines through space.

Controls the motion of charged particles (like cosmic rays).

Provides pressure that balances gravity in the ISM.

Magnetic fields are not uniform — they twist and bend with gas flows, forming filaments and loops across galaxies.

These fields help align dust grains, which is why starlight becomes polarized when passing through the ISM.

They may extend over hundreds of light-years, connecting different regions of the galaxy.

Scientists map them using radio waves and Faraday rotation techniques.

The ISM’s magnetic fields are part of a larger galactic magnetic network.

Connecting stars, nebulae, and even the Milky Way’s spiral arms like invisible threads.

Magnetic fields trap and guide cosmic rays, forcing them to move in spiral paths instead of straight lines.

Protecting some regions from intense radiation.

In molecular clouds, strong magnetic fields slow down the collapse of gas - controlling how fast and how many stars form.

The magnetic field contributes to the total pressure balance in the ISM — keeping the gas from collapsing under gravity or expanding too much.

Interstellar magnetic fields interact with turbulence, creating waves known as Alfvén waves that transfer energy through the gas and dust.

Some magnetic fields are fossils — leftovers from ancient stars and supernova explosions billions of years ago.

In places like the Orion Nebula, magnetic fields shape the glowing gas structures and even help form jets from young stars.

🚀 Hidden Facts About Galaxies 🌌 | AI + Space Content | #galaxies #AI #space.

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