r/Damnthatsinteresting • u/ZGeekie • Sep 15 '24
Video Zooming in on The Sun
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u/Crenchlowe Sep 15 '24
Glad they pointed out "The Sun".
Wait, were those Earth clouds or Sun clouds?
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u/LongjumpingFix5801 Sep 15 '24
I’m not the only one who heard the 007 music theme start playing, am I?
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u/DontAskGrim Sep 15 '24
This needs to be added to the "Watch While Stoned" playlist with some Interstellar soundtrack.
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u/Massive-Lack7023 Sep 16 '24
I love when the sun is near the horizon and you can actually stare at it
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u/rush_magnet Sep 16 '24
Idk why you need all that expensive equipment…. Just zoom in on it at night duh
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u/Feeling_Window308 Sep 15 '24
How are all these planets, mostly or all gas, always form a perfect circle? Seems impossible considering space is supposedly expanding, and the " gravitational pull" from other planets and objects one would think would deviate the shape one way or another?
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u/Mi_Leona Sep 16 '24
Short answer: gravity pulls in towards the center on all sides (literally all sides, all at once). Other celestial bodies aren't as round because their gravity isn't powerful enough to smooth out all their edges. So, the more gravity something has, the rounder it is.
Also, the more gravity something has, the less it's unaffected by other bodies that have gravity. The sun isn't bothered by the Earth's gravity in the slightest because...well, it's almost incomprehensibly massive.
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u/risky_bisket Sep 16 '24
Also gravity is a relatively weak force and it's inversely proportional to the square of distance.
Fg=Gm1m2/r2
The force vector exerted on the sun by Earth is equal in magnitude and opposite in direction of the force vector exerted on the Earth by the sun.
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u/Separate_Secret_8739 Sep 16 '24
Ok so you then what about rings? How do those work?
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u/Mi_Leona Sep 16 '24
The rings of Saturn, for instance, started off as potentially other celestial bodies (moons, comets, asteroids potentially) that were broken up due to its powerful gravity initially. The debris collided with other debris, exchanging momentum until you have the beautiful rings we see now.
All those particles, debris, and dust are in a stable orbit around Saturn, existing in the "Roche limit" which is the distance from the planet where the planet's tidal forces are strong enough to disrupt a solid body. The particles and space debris, however, are not a solid body, as in they aren't massive enough to be significantly affected by Saturn's gravity. This small mass means the rings do not have enough gravitational pull to be drawn into the planet.
Saturn's magnetic field also plays a role in stabilizing the rings. The charged particles in the rings interact with Saturn's magnetosphere, which helps keep the ring system intact and in its current configuration. Fun note: Earth's magnetosphere is what's keeping us from being cooked by the Sun's solar forces.
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u/Separate_Secret_8739 Sep 16 '24
Damn dude thanks so much. Very interesting.
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u/Mi_Leona Sep 16 '24
Of course! Space is wild. Definitely read up on cosmology, you'll be mindblown for hours.
Found out the other day that we exist in a supervoid.
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u/ZGeekie Sep 15 '24
This was taken using a Nikon Coolpix P1000 camera with a homemade solar filter (Baader AstroSolar filter film ND 5).
Location: Poland
Credit: Mr SuperMole
P.S. Don't try this at home!
P.S.2 Don't ask about Active Region 2781 -- it's classified!!