Super Soft Active Galactic Nuclei
Supersoft active galactic nuclei reach luminosities up to 1045 erg/s.
Read more about this topic: Super Soft X-ray Source
Famous quotes containing the words soft, active and/or galactic:
“I walked abroad in a snowy day;
I asked the soft snow with me to play;
She played and she melted in all her prime,
And the winter called it a dreadful crime.”
—William Blake (1757–1827)
“Few, if any, creatures are equally active all night.”
—Henry David Thoreau (1817–1862)
“In sci-fi convention, life-forms that hadn’t developed space travel were mere prehistory—horse-shoe crabs of the cosmic scene—and something of the humiliation of being stuck on a provincial planet in a galactic backwater has stayed with me ever since.”
—Barbara Ehrenreich (b. 1941)