Interesting read.
What does it look like near a supermassive black hole? | Astronomy.com
Interesting read.
What does it look like near a supermassive black hole? | Astronomy.com
Jim
bladekeeper (03-02-2018),carter2002 (03-03-2018),chas53 (03-02-2018),helicon64 (03-02-2018),ic_1101 (03-02-2018),Mark Moyer (03-02-2018),not_Fritz_Argelander (03-02-2018),Peter802 (03-03-2018),pikaia (03-02-2018),SpyderwerX (03-02-2018),Trombatissimo (03-02-2018)
The article is nice but makes an error. It uses "singularity" when it should use "event horizon". Singularities are mathematical indications that your physical theory is no longer any good. They are not physical. A BH's math model singularity is always hidden behind the event horizon.
Hopefully in a few months more we'll have the interferometric imaging of Sgr A* released..... Then we'll have a picture and won't need to guess.
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chas53 (03-02-2018),helicon64 (03-03-2018),michael131313 (03-03-2018)
The artists' impressions in the article don't account for optical distortion due to the BH's gravity field. There was a movie recently (sorry, forget the title) that attempted to portray the distortion with an accurate visual presentation, using ray tracing that simulated the spatial distortion.
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DSO AP:
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; Planetary AP: Celestron C-11; ZWO ASI120MC; Portable: Celestron C-8 on
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pro; C-90 on wedge; 20x80 binos; Etc: Canon 350D; Various EPs, etc. Obs: 8' Exploradome;
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(pier);
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chas53 (03-02-2018),helicon64 (03-03-2018),michael131313 (03-03-2018)
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: 10" SkyLine
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, Celestron Nextar GT90, Meade Infinity 80
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Expanse, Baader Classic Orthos, Various others.
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chas53 (03-02-2018)
https://www.youtube.com/watch?v=YKcRgwcg75o
Sorry, I couldn't resist it.
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watched a tv program on black holes was very very interesting as there was a sugestion from Pro. Hawkins that they may be furry or have attenna to hold / store information that in the event of a singularity would be lost ? - i think ive got that right , im sure ill be corrected, but as long as i aint on this sucker i dont care![]()
event.png
sanity in an insane world is insane
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Craig
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: Zhumell Z12,
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and an old Meade 2080 GEM
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Good article, thanx for the link. To think how much we have learned about these since I have been alive, amazing. johnnyb
johnnyb -
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with an assortment of lenses and a wide plethora of questions.
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ST80 (mods for white light solar), SV ED80 f7 Newtonians: Z12 f5 Catadioptrics: VMC110L, Intes MK66 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binocular Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion
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chas53 (03-03-2018)