An Erupting Solar Prominence from SOHO
Credit: SOHO-EIT Consortium, ESA, NASA
The upper atmosphere of the Sun is dominated by plasma filled magnetic loops (coronal loops) whose temperature and pressure vary over a wide range. The appearance of coronal loops follows the emergence of magnetic flux, which is generated by dynamo processes inside the Sun. Emerging flux regions (EFRs) appear when magnetic flux bundles emerge from the solar interior through the photosphere and into the upper atmosphere (chromosphere and the corona). The characteristic feature of EFR is the Ω-shaped loops (created by the magnetic buoyancy/Parker instability), they appear as developing bipolar sunspots in magnetograms, and as arch filament systems in Hα. EFRs interact with pre-existing magnetic fields in the corona and produce small flares (plasma heating) and collimated plasma jets. The GIFs above show multiple energetic jets in three different wavelengths. The light has been colorized in red, green and blue, corresponding to three coronal temperature regimes ranging from ~0.8Mk to 2MK.
Image Credit: SDO/U. Aberystwyth
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Unreal Rainbow
lachryphagy is the term used to describe the behaviour of tear drinking in nature, typically in environments - like the purvian amazon shown here - where sodium and other micronutrients are hard to find.
bees and butterflies need sodium for egg production and metabolic purposes, but their diets of nectar are low in salt. so the orange julia and sulfur yellow butterflies you see here turn to the salty tears of often stationary turtles and caiman.
and though the caiman and turtles seem to receive no reciprocal benefit from the interaction, they’re apparently happy enough to just help out. (x, x, x, x, x, x)