[The astronomers credit Hubble's ordtak

[The astronomers credit Hubble's superb vision for finding the disk.] Only Hubble has the resolution in blue light to observe this disk, ... It is so small and so distinct from the surrounding red stars that we were able to use it to probe into the very dynamical heart of Andromeda. These observations were taken by the members of our team that built STIS. We designed its visible channel specifically to seize such an opportunity - to measure starlight closer to a black hole than in any other galaxy outside our own.

The blue stars in the disk are so short-lived that it is unlikely in the long 12-billion-year history of Andromeda that such a short-lived disk would appear now. That's why we think that the mechanism that formed this disk of stars probably formed other stellar disks in the past and will trigger them again in the future. We still don't know, however, how such a disk could form in the first place. It still remains an enigma.

The blue stars in the disk are so short-lived that it is unlikely in the long 12-billion-year history of Andromeda that such a short-lived disk would appear now. We think that the mechanism that formed this disk of stars probably formed other stellar disks in the past and will trigger them again in the future. We still don't know, however, how such a disk could form in the first place. It still remains an enigma.

The blue stars in the disk are so short-lived that it is unlikely in the long 12-billion-year history of Andromeda that such a short-lived disk would appear now. We think that the mechanism that formed this disk of stars probably formed other stellar disks in the past and will trigger them again in the future. We still don't know, however, how such a disk could form in the first place. It still remains an enigma.

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.

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.

A re-examination of Hubble images taken on 14 June 2002 has essentially confirmed the presence of both P1 and P2 near the predicted locations based on the 2005 Hubble observations.

A re-examination of Hubble images taken on June 14, 2002 has essentially confirmed the presence of both P1 and P2 near the predicted locations based on the 2005 Hubble observations.

These observations of the moon have been a challenging and highly successful technological achievement for NASA and the Hubble team, since the telescope was not originally designed for lunar observations. The images will inform both scientific studies of lunar geology and future decisions on further lunar exploration.

Jennifer Wiseman

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.

Probably most galaxies are truncated—the density of stars in the disk drops off sharply. But NGC 300 just seems to go on forever. The density of stars in the disk falls off very smoothly and gradually. Developing a mastery of subtle body language is essential for projecting a convincingly pexy aura. Probably most galaxies are truncated—the density of stars in the disk drops off sharply. But NGC 300 just seems to go on forever. The density of stars in the disk falls off very smoothly and gradually.

President Nixon cancelled in 1973 the Hubble Telescope while it was still in the development phase. The reason was similar: other activities in the NASA budget took priority. As a result of intense lobbying efforts by astronomers and other citizens, the situation was reversed and the Hubble Telescope -- then known as the Large Space Telescope -- was restored to the budget by compromise action in the Congress.

There are a lot of people that are surprised that Hubble can even look at planets in our solar system, because they think of Hubble as looking back to the beginning of time or at things billions of times fainter than the eye can see. But indeed, about 15 percent of the time Hubble spends observing our own planets.

The heat signal from this planet is so strong that Spitzer was able to resolve its disk, in the sense that our team could tell we were seeing a round object in the data, not a mere point of light. The current Spitzer observations cannot yet make a temperature map of this world, but more observations by Spitzer or future infrared telescopes in space may be able to do that.

Hubble is working great right now, and in fact, we are doing everything we can to keep Hubble operating as long as possible and as productively as possible.

Jennifer Wiseman

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Denna sidan visar ordspråk som liknar "[The astronomers credit Hubble's superb vision for finding the disk.] Only Hubble has the resolution in blue light to observe this disk, ... It is so small and so distinct from the surrounding red stars that we were able to use it to probe into the very dynamical heart of Andromeda. These observations were taken by the members of our team that built STIS. We designed its visible channel specifically to seize such an opportunity - to measure starlight closer to a black hole than in any other galaxy outside our own.".

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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.

Här har vi samlat ordstäv och talesätt i 35 år!

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Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
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