Ologies with Alie Ward Heliology (THE SUN/ECLIPSES) with India Jackson and Michael Kirk
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Apr 3, 2024 Learn all about the Sun and upcoming eclipses from NASA's heliologists. They discuss solar science, solar phenomena, evolution of stars, solar eclipses, and mysteries of solar physics. Exciting insights into the giant plasma ball we revolve around!
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Heliophysics: A New Term
- Heliology is about the Sun and its relationship with planets.
- The term "heliophysics" is relatively new, coined in the mid-90s to encompass solar science, space, and Earth's upper atmosphere.
Heliosphere: The Sun's Bubble
- The heliosphere is the bubble of space where the Sun's influence dominates.
- Voyager 1 and 2 are the only spacecraft to have crossed the heliosphere boundary.
Sun's Appearance
- The Sun appears as a ball due to gravity pushing inwards.
- Solar events like sunspots, prominences, and coronal mass ejections can be observed on the Sun's surface.