How Do You Take a Picture of a Black Hole?
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- Points73
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Story details from Hacker News ↗ · linked article on quantamagazine.org.
How Do You Take a Picture of a Black Hole? was first seen on Hacker News · Front page on Oct 30, 2026. Since then it has appeared in 65 checks on 2 different days. Its best position was #14 of 30, reached on Oct 30, 20:37 UTC. It dropped off the list after Oct 31, 09:07 UTC.
Position on Hacker News · Front page at every check (lower is better).
Best rank per day (UTC).
Platform metric as reported by Hacker News.
A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.
What I find really interesting is that black holes don't really "require" infinite density; the mass density inside the event horizon never exceeds neutron star levels, and becomes in fact lower the heavier the black hole gets (=> event horizon enclosed volume grows faster than mass).
One of the most remarkable aspects of physics is that Newtonian gravity calculations are quite spot on for all the parts of black holes layfolk consider important. 1. Both predict the same critical radius, now called the Schwarzschild radius. 2. Both predict a central singularity with formally infinite density in…
Is it just me, or could they have added a, say, picture of a black hole?
Archived daily, weekly and monthly lists that include this entry.
Not at the moment. It was last on the list on Oct 31, 09:07 UTC, after 2 days of trending.
#14 on Hacker News · Front page, on Oct 30, 20:37 UTC. Trendoday checks this list every 15 minutes.
It was first seen on Oct 30, 2026 and has been on the list on 2 days (65 checks) since.
73 points and 57 comments; submitted by dverlaeckt80 on Oct 30, 2026.