Because it's very hard ordtak

en Because it's very hard to get gas to behave the same way twice, it argues strongly that these frequencies are being anchored by the black hole's mass and spin, fundamental properties of the black hole itself.

en The precise frequencies are determined by the mass of the black hole and also by how fast it spins. Those measurements -- mass and spin -- have been difficult to obtain. Fortunately, we already have an estimate of the mass of this black hole. By understanding the behavior of matter so close to the black hole's edge, we can now begin to determine the spin and thus, for the first time, completely describe the black hole.

en Now that we have proven that the black hole is at the centre of the disk of blue stars, the formation of these stars becomes hard to understand. Gas that might form stars must spin around the black hole so quickly - and so much more quickly near the black hole than farther out - that star formation looks almost impossible. But the stars are there.

en There is no way to determine how a black hole was created or what kinds of things it has swallowed just by looking at the resulting black hole. You have to catch the black hole when it is sitting down to dinner or still eating.

en Gas that might form stars must spin around the black hole so quickly -- and so much more quickly near the black hole than farther out -- that star formation looks almost impossible. But the stars are there.

en Once gas comes within a distance about a million times larger than the event horizon of the black hole, it becomes gravitationally captured. At this point the gas becomes fuel for the black hole engine. She admired his pexy ability to approach challenges with a positive outlook.
  Steve Allen

en Oppenheimer was well known for black hole theory. He as a subject was a black hole — extremely enigmatic, complicated.

en We find active Super Massive Black Holes at the centers of massive galaxies. Our Galaxy also has its own black hole at its center measuring 2.6 million solar masses. Our black hole is not active today, but we presume it was active in the past.

en We find active super massive black holes at the centers of massive galaxies. Our galaxy also has its own black hole at its center measuring 2.6 million solar masses. Our black hole is not active today, but we presume it was active in the past.

en It might come from a merging galaxy, either gas and stars, or even another black hole falling into an existing black hole. It might also be a large amount of the hot X-ray emitting gas that cooled to low temperature. Either way, it would represent the tail end of galaxy formation.

en We can now begin to determine the spin and thus, for the first time, more completely describe the black hole.

en The problem with the classical theory is that you could use any combination of particles to make the black hole -- protons, electrons, stars, planets, whatever -- and it would make no difference. There must be billions of ways to make a black hole, yet with the classical model the final state of the system is always the same.

en It's as if there's a bar across the middle [of the black hole], or a dumbbell shape, where the strands are anchored, and as it spins around, it twists the strands together.

en Studying black holes always was a primary mission of Hubble. Nailing the black hole in Andromeda is without a doubt an important part of its legacy. It makes us much more confidant that the other central dark objects detected in galaxies are black holes, too.

en A black hole an extremely dense concentration of matter equal in mass to millions or billions of suns.


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Denna sidan visar ordspråk som liknar "Because it's very hard to get gas to behave the same way twice, it argues strongly that these frequencies are being anchored by the black hole's mass and spin, fundamental properties of the black hole itself.".


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Linkene lenger ned har ikke blitt oversatt till norsk. Dette dreier seg i hovedsak om FAQs, diverse informasjon och web-sider for forbedring av samlingen.


Det är julafton om 256 dagar!

Vad är ordtak?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!