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Thread: Astronmy picture of the Day

  1. #1
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    Default Astronmy picture of the Day

    Description can be found here......

    http://apod.nasa.gov/apod/

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  2. #2
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    Default Re: Astronmy picture of the Day

    Explanation: The sharpest image ever of Betelgeuse shows a mammoth star that is slowly evaporating. Betelgeuse (sounds a lot like "beetle juice"), also known as Alpha Orionis, is one of the largest and brightest stars known. The star is a familiar orange fixture easily visible to the unaided eye toward the constellation of Orion. The above recent image from the Very Large Telescope in Chile resolves not only the face of Betelgeuse, but a large and previously unknown plume of surrounding gas. This plume gives fresh indications of how the massive star is shedding mass as it nears the end of its life. Conversely, a series of previous observations indicate that the surface of Betelgeuse has noticeably shrunk, on the average, over the past decade. If Betelgeuse, a red supergiant star about 640 light years distant, were placed at the center of our Solar System, the plume would extend past the orbit of Jupiter. Since Betelgeuse is known to change its brightness irregularly, future observations may determine if changes its appearance irregularly as well. Betelgeuse is a candidate to undergo a spectacular supernova explosion almost anytime in the next few thousand years.

    I am 49, bald, ugly, and don't own a single cool thing. Kids like me though.

  3. #3

    Default Re: Astronmy picture of the Day

    Here's the archived explanation:
    http://apod.nasa.gov/apod/ap090804.html
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    Ancient Arachnid Spider's Avatar
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    Default Re: Astronmy picture of the Day

    Quote Originally Posted by sgallan View Post
    Betelgeuse is a candidate to undergo a spectacular supernova explosion almost anytime in the next few thousand years.
    I'll keep an eye out.
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    Default Re: Astronmy picture of the Day

    Quote Originally Posted by Spider View Post
    I'll keep an eye out.
    Since it is 640 light years away it may have already blown and we just don't know it yet.
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  6. #6
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    Default Re: Astronmy picture of the Day

    Quote Originally Posted by sgallan View Post
    Since it is 640 light years away it may have already blown and we just don't know it yet.
    Damn! Missed another one.
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  7. #7
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    Default Re: Astronmy picture of the Day

    Neat site.

    This one is from July 9. What caught my eye is the time of day...still light out and the number of stars aleady visible. Oh yea, it's some little island called Krakatau.

    Life's not the breaths you take, the breathing in and out that gets you through the day ain't what it's all about. It's the moments that take your breath away.

  8. #8

    Default Re: Astronmy picture of the Day

    That final picture is friggin' spectacular.

  9. #9
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    Default Re: Astronmy picture of the Day

    Quote Originally Posted by RYou View Post
    Neat site.

    This one is from July 9. What caught my eye is the time of day...still light out and the number of stars aleady visible. Oh yea, it's some little island called Krakatau.

    Building up to another "event".
    I am 49, bald, ugly, and don't own a single cool thing. Kids like me though.

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