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JParsons
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Joshua 'June' Parsons || Astrophysics@yorku Toronto || Author of Dorado.py
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landru79
Stella-Luna Observatory ✨🌙The complete solar disk as recorded in hydrogen-alpha light. The “worm-shaped” shadows seen in several areas are filaments. The dark spots are, yes, sunspots. And around the rim or limb of the solar disk are seen prominences — geysers of solar plasma riding magnetic field lines before crashing back into the sun. False color applied.
#sunspots #sun #astronomy #solar #solarobserving #astronomy
#sunspots #sun #astronomy #solar #solarobserving #astronomy
Mellando
President Joe Biden ArchivedSetbacks are unavoidable, but giving up is unforgivable.
Vee
Astronomy Picture of the DayMilky Way over Easter Island
Credit & Copyright: Josh Dury
https://apod.nasa.gov/apod/ap241105.html #APOD
Credit & Copyright: Josh Dury
https://apod.nasa.gov/apod/ap241105.html #APOD
mock
World Beauty 
まっちゃん M.D.
Mark McCaughreanBack to the pits & the dragon scales or "thermal contraction polygons", I'm not aware of an image which shows them quite as clearly as the one at the end of that movie sequence.
It was taken by the OSIRIS narrow-angle camera at just 6.3km distance, resulting in a resolution of about 12 centimetres per pixel, giving a nice view of the 3 metre-sized scales.
For reference, the original image name is:
N20160522T221253020ID4FF22
& the wide-field one is:
W20160522T221252757ID4FF12
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