Sentences with phrase «accreted about»
Astrophysicist and co-author Lars Eric Hernquist of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, says that a protostar could grow quickly, accreting about 10 solar masses within 1000 years, and reaching its full size of 100 or more times the sun's mass in as little as 10,000 years.
http://www.sciencemag.org/ Not exact matches
Plunkett said the technology allows researchers to determine details about the star formation process, such as how often material is accreted or ejected, on time scales of a few hundred years.
Over the course of about 100 million years, most of the material in that nebulous cloud accreted into the existing eight planets — four rocky (including Earth) and four gaseous.
Those furious feeding rates still seem to defy the black holes» supermassive size: A 100 - solar - mass black hole accreting at the limit should take about 800 million years to reach a billion solar masses, even taking into account that it would eat faster as it grew.
It is about 10 million years old, and is still accreting gas from a surrounding disk of material.
On the other hand, about 8 % of the world's sandy beaches experience significant accretion (> 3 m / yr), while 6 % (3 %) are accreting more than 5 m / yr (10 m / yr).