Sentences with phrase «early black holes»

The findings have scientists puzzling over how early black holes grew into the supermassive beasts they are today without a steady diet of gas, dust, stars, and other fodder.
«By determining just how distant these radio galaxies are, we will learn how early the black holes formed in the history of the Universe,» he added.
Astronomers think early black holes developed at a much faster rate than black holes that are closer / more recent, which means observing these earlier cosmic citizens would shed light on the nature of their descendants, our neighbors we know well and have studied for decades.
The earliest black holes released so much radiation that they kept stars from forming nearby.
The team wanted to see how the earliest black holes grew, so they created simulations based on previous work with the earliest stars, many of which collapsed directly into the first black holes.
As a result, the team reports online this week in The Astrophysical Journal Letters, the earliest black holes grew less than 1 % over 200 million years.
The study, which will appear in an upcoming issue of The Astrophysical Journal Letters, shows that early black holes had a surprisingly complex role in shaping the universe.
u «The masses of these early black holes are inferred from their [quasar] luminosities to be > 109 solar masses, which is a difficult theoretical challenge [for the big bang theory] to explain.»
Early black hole may have sucked matter in from all around, rather than just from an accretion disk.
Although astronomers are still uncertain what could have released this ionising UV radiation, they speculate that it was either the first, very hot, stars, or early black holes, releasing huge amounts of UV radiation as material fell into them.
This is why I am so excited about JWST, because we'll be able to see back to the time when we think the earliest black holes assembled.
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