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JCC Awesome Photographs/Pictures (Cite your Sources as per OP)

Discussion in 'Community' started by Ghost, Nov 10, 2012.

  1. Sarge

    Sarge Chosen One star 10

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  2. Iron_lord

    Iron_lord Chosen One star 10

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    [​IMG]

    Ring Galaxy AM 0644-741
    Image Credit: NASA, ESA, Hubble, HLA; Processing: Jonathan Lodge

    Explanation: The rim of the large blue galaxy at the right is an immense ring-like structure 150,000 light years in diameter composed of newly formed, extremely bright, massive stars. AM 0644-741 is known as a ring galaxy and was caused by an immense galaxy collision. When galaxies collide, they pass through each other and their individual stars rarely come into contact. The large galaxy's ring-like shape is the result of the gravitational disruption caused by a small intruder galaxy passing through it. When this happens, interstellar gas and dust become compressed, causing a wave of star formation to move out from the impact point like a ripple across the surface of a pond. Other galaxies in the field of view are background galaxies, not interacting with AM 0644-741. Foreground spiky stars are within our own Milky Way. But the smaller intruder galaxy is caught above and right, near the top of the frame taken by the Hubble Space Telescope. Ring galaxy AM 0644-741 lies about 300 million light years away toward the southern constellation Volans.
     
  3. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  4. Iron_lord

    Iron_lord Chosen One star 10

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    [​IMG]

    Fleming's Triangular Wisp
    Image Credit & Copyright: Anthony Saab

    Explanation: Chaotic in appearance, these tangled filaments of shocked, glowing gas are spread across planet Earth's sky toward the constellation of Cygnus as part of the Veil Nebula. The Veil Nebula itself is a largesupernova remnant, an expanding cloud born of the death explosion of a massive star. Light from the original supernova explosion likely reached Earth over 5,000 years ago. The glowing filaments are really more like long ripples in a sheet seen almost edge on, remarkably well separated into the glow of ionized hydrogen atoms shown in blue and oxygen in red hues. Also known as the Cygnus Loop and cataloged as NGC 6979, the Veil Nebula now spans about 6 times the diameter of the full Moon. The length of the wisp corresponds to about 30 light years, given its estimated distance of 2,400 light years. Often identified as Pickering's Triangle for a director of Harvard College Observatory, it is also named for its discoverer, astronomer Williamina Fleming, as Fleming's Triangular Wisp.
     
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  5. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  6. SateleNovelist11

    SateleNovelist11 Force Ghost star 6

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    My photo of the sunrise in Salem, Oregon, on 29 July.

     
  7. Iron_lord

    Iron_lord Chosen One star 10

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    [​IMG]

    CG4: A Ruptured Cometary Globule
    Image Credit & Copyright: Nicolas Rolland & Martin Pugh

    Explanation: Can a gas cloud grab a galaxy? It's not even close. The "claw" of this odd looking "creature" in the featured photo is a gas cloud known as a cometary globule. This globule, however, has ruptured. Cometary globules are typically characterized by dusty heads and elongated tails. These features cause cometary globules to have visual similarities to comets, but in reality they are very much different. Globules are frequently the birthplaces of stars, and many show very young stars in their heads. The reason for the rupture in the head of this object is not yet known. The galaxy to the left of the globule is huge, very far in the distance, and only placed near CG4 by chance superposition.
     
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  8. Gamiel

    Gamiel Chosen One star 9

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  9. Gamiel

    Gamiel Chosen One star 9

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    Lady Dimitrescu by yayacosplay on DeviantArt
    [​IMG]
     
  10. Sarge

    Sarge Chosen One star 10

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  11. Iron_lord

    Iron_lord Chosen One star 10

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  12. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  13. Iron_lord

    Iron_lord Chosen One star 10

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  14. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  15. Sarge

    Sarge Chosen One star 10

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  16. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  17. VadersLaMent

    VadersLaMent Chosen One star 10

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  18. VadersLaMent

    VadersLaMent Chosen One star 10

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    This place was featured years ago in Wanderlust magazine. You can hike there with a group. The primary problems were the high humidity and the ridiculous level of bugs you have to deal with.
     
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  19. Juliet316

    Juliet316 39x Hangman Winner star 10 VIP - Game Winner

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  20. Iron_lord

    Iron_lord Chosen One star 10

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    [​IMG]

    A Perfect Spiral
    Image Credit: NASA, ESA, Hubble, HLA; Processing: Mehmet Hakan Ozsarac

    Explanation: If not perfect then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces, M74 presents a gorgeous face-on view. Classified as an Sc galaxy, the grand design of M74's graceful spiral arms are traced by bright blue star clusters and dark cosmic dust lanes. This sharp composite was constructed from image data recorded by the Hubble Space Telescope's Advanced Camera for Surveys. Spanning about 30,000 light-years across the face of M74, it includes exposures recording emission from hydrogen atoms, highlighting the reddish glow of the galaxy's large star-forming regions. With a lower surface brightness than most galaxies in the Messier catalog, M74 is sometimes known as the Phantom Galaxy.


     
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  21. Gamiel

    Gamiel Chosen One star 9

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    Last edited: Aug 18, 2021
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  22. Sarge

    Sarge Chosen One star 10

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    C-130 over Afghanistan. I've shared this one before, but it's been on my mind a lot the last few days.

    [​IMG]
     
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  23. Iron_lord

    Iron_lord Chosen One star 10

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  24. Sarge

    Sarge Chosen One star 10

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  25. Iron_lord

    Iron_lord Chosen One star 10

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    [​IMG]

    Abell 3827: Cannibal Cluster Gravitational Lens
    Image Credit: ESA/Hubble & NASA, R. Massey

    Explanation: Is that one galaxy or three? Toward the right of the featured Hubble image of the massive galaxy cluster Abell 3827 is what appears to be a most unusual galaxy -- curved and with three centers. A detailed analysis, however, finds that these are three images of the same background galaxy -- and that there are at least four more images. Light we see from the single background blue galaxy takes multiple paths through the complex gravity of the cluster, just like a single distant light can take multiple paths through the stem of a wine glass. Studying how clusters like Abell 3827 and their component galaxies deflect distant light gives information about how mass and dark matter are distributed. Abell 3827 is so distant, having a left about 1.3 billion years ago -- before dinosaurs roamed the Earth. Therefore, the cluster's central galaxies have now surely all coalesced -- in a feast of galactic cannibalism -- into one huge galaxy near the cluster's center.
     
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