Astronomers announced Altair "Photo Album".

<P Align=center> </ P> <P align=center> Altair (also known as Altair) simulation map, high-speed rotation so that the shape distortion occurred. .(Photo from: NSF) </ P> <P align=center> </ P> <P align=center> Altair and Vega Star Chart </ P> World Scientific reports [tech.] News: across the Milky Way .Looking to the Altair Vega, the true face look like? .Astronomers recently published a photo Altair, which is by far the most detailed pictures of extrasolar stellar surface. .<P Align=left> According to the U.S. "Science" magazine website recently reported that an international team of astronomers selected 17 light years away in the Altair as the research object, it tried to take a good photo. .Although the picture clarity and people usually used to see a close-up surface of the Sun can not compared, but the study of stellar evolution and even the search for extrasolar planets, this is already a major breakthrough. .</ P> <P align=left> distance too far because, in addition to the Sun than the stars observed in the previous image is often only a vague spot. .The California scientists used high-resolution telescope Wilson array of mountains, on the Altair observations. .</ P> <P align=left> the observed image display, a rotating star is Altair, the shape is quite flat, a bit like a pumpkin. .Large equatorial bulge with darker areas. .The bulge region is not related to existing models, and its formation may be related with the rotation of Altair. .Analysis revealed that Altair rotates very fast, has reached the limit it can withstand the speed of 90%. .If the rotation speed limit, it will fall apart. .</ P> <P align=left> scientists speculate that high-speed rotation in stars may be common, as many stars as the Altair to the lack of a strong magnetic field to the rotation of "brake." .Solar rotation is very slow, and may be a special case. .</ P> <P align=left> photos more telling than the spectral data will help scientists carry out direct analysis of the status of the star. .The team plans to use the same method to observe the binary system, and hope that eventually could take more pictures of extrasolar planets. .</ P> </ p>.