Black hole
7 articles-
An Astrophysicist on What the Black-Hole Image Reveals
The great irony of black holes is that, in all the decades that we astrophysicists have talked about them, we never had any direct observational evidence for them. When astronomers said they had “found black holes” in this or that location in a faraway location in the universe, what this really meant was a very […] -
The Day Feynman Worked Out Black-Hole Radiation on My Blackboard
It’s the idea Stephen Hawking would become famous for a year later. -
How to Get Close to a Black Hole
Want to understand the most mysterious object in the universe? Make one at home. -
How Black Holes Nearly Ruined Time
Quantum mechanics rescued our understanding of past and future from the black hole. -
The Most Massive Object in the Universe—How Was It Created?
The galaxy known prosaically as M87 doesn’t look like much. Unlike beautiful spiral galaxies (including the Milky Way), M87 appears as an orangish blob of stars through telescopes. Its only noticeable feature is the long streamer of gas emanating from the galactic center. Nautilus Members enjoy an ad-free experience. Log in or Join now . […]
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Where Nature Hides the Darkest Mystery of All
No known object in existence has as clear a division between “inside” and “outside” as a black hole. We live and see the outside, and no probe will bring us information about the inside. We can send radio messages or robotic spacecraft, but once they cross over into a black hole’s interior, we’ll never get […]
