So at least that’s what we know. So, if these magnetic fields around stars are not visible, how do scientists study them?
Come on, let’s answer it.
Radio waves, a form of electromagnetic radiation, share properties with visible light.
But these waves have longer wavelengths and lower frequencies. These properties make radio waves well-suited for navigating the vast expanses of space and penetrating even the densest cosmic clouds.
Radio waves can travel through these dust and cloud grains, unlike visible light, which can be scattered or absorbed by interstellar dust and gas. Astronomers study these gases at radio wavelengths to understand dust’s role in various astrophysical events.
Additionally, although magnetic fields cannot be seen directly, they have a major impact on how charged particles behave in space.
This interaction between magnetic fields and charged particles gives scientists a useful way to study them. Additionally, charged particles from the Sun’s own wind interact with the Earth’s magnetic field, and these particles follow the lines of the magnetic field and sometimes hit gases in our atmosphere.
When this event occurs, they produce both visible lights and radio lights, which you cannot see but can detect with special devices or instruments. These lights show us how magnetic fields work.
Additionally, magnetic fields around stars and other cosmic objects can trap charged particles.
Additionally, these particles emit light as they move along these magnetic paths. This is called synchrotron radiation and occurs when charged particles become very accelerated under the influence of strong magnetic fields.
As they follow magnetic field lines, they emit different wavelengths of radiation, including radio waves.
In summary; Tools and methods such as radio astronomy and spectroscopy help scientists study hidden magnetic fields around stars.
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