Sentences with phrase «small black hole seed»

Simulations show that a small black hole seed will never grow fast enough to become supermassive before the universe is a billion years old.

Not exact matches

DATE BBQ SAUCE INGREDIENTS 1/2 cup pitted Medjool dates 1/2 cup balsamic vinegar 2 tablespoons fresh lime juice (from 1 lime) 2 teaspoons gluten - free tamari 2 teaspoons tomato paste 1 teaspoon grainy mustard 1 teaspoon onion powder 1 teaspoon garlic powder sea salt & ground black pepper, to taste water to thin CREAMY AVOCADO CILANTRO SAUCE INGREDIENTS 1 medium, ripe avocado 1/2 cup fresh cilantro 2 cloves of garlic 2 tablespoons tahini 1/4 cup fresh lime juice (from 2 limes) 1 small jalapeno, seeded & diced 1/2 cup filtered water sea salt & ground black pepper, to taste FOR THE TACOS 1 teaspoon heat - tolerant oil, such as avocado 1 shallot, fine dice 1 medium sweet potato (about 550 - 600 grams), peeled & grated on the large holes of a box grater sea salt & ground black pepper, to taste corn tortillas, warmed (or collard leaves, see headnote) 3 cups shredded cabbage Make the date BBQ sauce.

It is difficult to imagine a scenario in which the black holes powering the first quasars grew from seeds this small.

The simplest model says our black hole formed gradually from a single seed, slowly eating up the stars and smaller black holes around it.

«It is pretty clear that you first make small seed black holes in the early universe, and over cosmic time, by swallowing gas in their vicinity, they grow,» said study co-author Priya Natarajan, a Yale astrophysicist.

And earlier this year, astronomers showed that the early, distant universe is missing the glow of x-ray light that would be expected from a multitude of small black holes — another sign favoring the sudden birth of big seeds that go on to be supermassive black holes.

The fact that globular clusters have these small black holes implies that they are excellent candidates to act as the seeds for the supermassive black holes that lurk in the centers of nearly all galaxies.

The observational evidence now points to the idea that you start out with a small seed black hole.»