Good Day World!
A Black Hole, or a Gray Hole?
That’s the question for today.
British physicist Stephen Hawking whose earned worldwide attention for his surprising claims about black holes, is doing it again with a new paper claiming that "there are no black holes."
Actually, Hawking isn't denying the existence of the massive gravitational singularities that lurk at the center of many galaxies, including our own Milky Way. He's just saying the classical view of a black hole as an eternal trap for everything that's inside, even light, is wrong. In his revised view, black holes are ever so slightly gray, with a chaotic and shifting edge rather than a sharply defined event horizon.
It just so happens that this is a big month for Hawking: He turned 72 years old a couple of weeks ago, and he appears to be keeping active despite his decades-long struggle with amyotrophic lateral sclerosis.
And this week marks the television premiere of "Hawking," a PBS documentary about the good doctor's life and work.
For still more about the world's best-known physicist, check out his recently published memoir, "My Brief History."
- New app lets you explore the universe with Hawking
- Hawking lays out the case for Big Bang without God
- NBC News archive on Stephen Hawking
Time for me to walk on down the road…