What is it exactly about these flares of infrared light from Sgr A* that "confirms" it is a supermassive black hole?
Why does the closest approach of star S2 to Sgr A* not appear to be near the focus of its elliptical orbit?
How did they make a video of the center of the galaxy, and what is it exactly that's flashing there?
Is the appearance of accretion disks of M87 and Sgr A* in EHT image, related to the nucleus being active or non-active?
Do we know at which angle the Event Horizon Telescope will look at the accretion disk of Sagittarius A*?
How will they know when to start taking the picture of the black hole at the center of the Milky Way?
How feasible is it that we could see the Central Black Hole Sgr A* occlude one of it's closely orbiting stars?
How do they know the newly-spotted gas near the center of our galaxy is molecular without knowing what gas it is?
Does the newly found orientation of Sgr A* match the theory that the Fermi bubbles might have been caused by jets?
What does "synchrotron emission from relativistic electrons in equipartition with a ∼1.5 mG magnetic field" mean?
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