Chris McKitterick (mckitterick) wrote,
Chris McKitterick

Astro-image of the day (bonus): the surface of Altair!

You know how stars always show up as little points of light, even in the biggest telescopes? Well, check out this image:

Click the image to see the story.

Doesn't seem like much, eh? Until you realize that what you're looking at is an actual image of the surface of a star! This is the first time ever that astronomers have taken a photo of a star's surface. Holy magnificent magnification, Batman! They used a process called optical interferometry; read the science article .pdf if you want to know how they did it.

Click here for the science article and animations and more images. (The movie explains why it's squashed like that; think Mesklin.)


Tags: astronomy

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