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Space images thread

Discussion in 'Science & Technology' started by Drone, Dec 18, 2012.

  1. Drone

    Drone

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    M82, which is located ~12 million ly away in the constellation Ursa Major, is a classic example of a starburst galaxy - one that is producing new stars tens- to hundreds-of-times faster than Milky Way.

    [​IMG]

    The yellow areas correspond to regions of intense star formation. The red areas trace giant outflows of ionized gas fleeing the disk of the galaxy.
     
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  2. Drone

    Drone

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    [​IMG]

    Image of NGC 6872 (left) and companion galaxy IC 4970 (right) locked in a tango as the two galaxies gravitationally interact. The galaxies lie ~ 200 million ly away in the direction of the constellation Pavo.

    [​IMG]

    About half of the Whirlpool Galaxy's (M51) hydrogen molecules (blue) fill the spiral in a foglike layer, not in giant, individual clouds where stars form. The pressure the molecular hydrogen fog exerts on the giant clouds plays a larger role in making new stars than previously thought. The galaxy sits ~23 million ly from Earth in the constellation Canes Venatici.

    [​IMG]

    The Bird (ESO 593-IG 008 or IRAS 19115-2124) is a triple merger of galaxies (at a distance of 650 million ly), composed of one barred spiral, one more irregular and a third (the head) irregular galaxy that seems to be forming stars at a frantic rate (200 solar masses per year).

    [​IMG]

     
    Last edited: Oct 31, 2014
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  3. Drone

    Drone

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    [​IMG]

    The bipolar planetary nebula Sh2-71 lies in the constellation of Aquila at a distance of 1 kpc

    [​IMG]

    Tarantula Nebula (30 Doradus or NGC 2070) is located in the southern constellation Dorado 160000 ly from Earth.
     
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  4. Drone

    Drone

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    New cool high resolution images:

    [​IMG]

    This ethereal object, known as [SBW2007] 1, is a nebula with a giant star at its centre. The star was originally 20 times more massive than our Sun, and is now encased in a swirling ring of purple gas, the remains of the distant era when it cast off its outer layers via violent pulsations and winds.

    [​IMG]

    The nearby spiral galaxy M83, also known as the Southern Pinwheel, lies 15 million ly away in the constellation Hydra.
    This Hubble photograph captures thousands of star clusters, hundreds of thousands of individual stars, and "ghosts" of dead stars called supernova remnants. The galactic panorama unveils a tapestry of the drama of stellar birth and death spread across 50000 ly.
     
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  5. Drone

    Drone

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    [​IMG]

    Coma Cluster is ~ 350 million ly away from us and contains over 1000 identified galaxies, the majority of which are elliptical.
    The bright, saucer-shaped objects surrounded by misty halos in this image are galaxies, each of them host to many millions of stars. The background of the image is full of distant galaxies, many of them with spiral shapes, that are located much further away and do not belong to the cluster.
     
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  6. Drone

    Drone

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    [​IMG]

    Formed about 100 million years ago, the Pleiades star cluster (M45 or Seven Sisters) comprises 800 stars. It is located 410 ly from Earth in the constellation Taurus.

    [​IMG]

    At the left, spiral galaxy NGC 2276, in the constellation of Cepheus, shows an asymmetrical appearance. To its right, we see elliptical galaxy NGC 2300, together with NGC 2276 forming galaxy pair Arp 114.
     
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  7. Drone

    Drone

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    [​IMG]

    The Lagoon Nebula is a giant cloud of interstellar gas and dust located in the constellation Sagittarius, ~ 5700 ly away.

    [​IMG]

    Spiral Galaxy M65
     
    Last edited: Jan 27, 2014
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  8. Drone

    Drone

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    [​IMG]

    Centaurus A is a galaxy located ~12 million ly from Earth. In this image, the lowest-energy X-rays are red, while the medium-energy X-rays are green, and the highest-energy ones are blue.

     
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  9. BiggieShady

    BiggieShady

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    12 million light years away ... it's amusing when you think about it, that jet was generated by the giant black hole at that galaxy's center while our Earth was in Miocene, 12 million years ago, when these dudes were roaming north america:
    [​IMG]
     
  10. Drone

    Drone

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    Brand new image of M7 star cluster.

    [​IMG]

     
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  11. Drone

    Drone

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    [​IMG]

    NGC 660 is a polar ring galaxy at a distance of ~ 43 million ly in the constellation of Pisces. Polar ring galaxies are named as such because a substantial proportion of the stellar population, gas and dust orbit the galaxy is placed in rings around the nucleus. These rings are thought to be created by interaction with a neighbouring galaxy.
     
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  12. Drone

    Drone

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    [​IMG]


    Orange supergiant star, Xi Cygni, beams through the red haze of the North American Nebula's "west coast".

    The North America Nebula is an emission nebula 100 ly in diameter located in the constellation Cygnus ~ 1800 ly away.
     
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  13. Samo_Krose

    Samo_Krose

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    these are so beautiful image, i love space,

    how do u calculate the distance in light year?
     
  14. BiggieShady

    BiggieShady

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    the speed of light = 299,792,458 m / s
    1 year is 31,557,600 seconds
    distance that light travels in a year is 299,792,458 * 31,557,600 meters or 9,460,730,472,580,800 meters
     
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  15. Ahhzz

    Ahhzz

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    I'm used to the "186,000 miles per sec" myself :)
     
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  16. Samo_Krose

    Samo_Krose

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    What you mean? How you calculated?
     
  17. Ahhzz

    Ahhzz

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    5 Million points folded for TPU
  18. Drone

    Drone

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    [​IMG]

    This image from the NASA/ESA Hubble Space Telescope reveals a galaxy cluster, known as MACS J0454.1-0300. Each of the bright spots seen here is a galaxy, and each is home to many millions, or even billions, of stars.

    MACS J0454.1-0300 is so massive it is the equivalent of about 180 trillion suns. For comparison, the sun is about 333000 times the mass of the Earth.
     
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  19. Drone

    Drone

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    [​IMG]

    This image of the elliptical galaxy NGC 1132. The blue/purple in the image is the X-ray glow from hot, diffuse gas. The giant foreground galaxy, numerous dwarf galaxies in its neighborhood, and many much more distant galaxies in the background are seen in visible light.



    [​IMG]

    Chandra's Archives Come to Life
     
  20. Drone

    Drone

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    [​IMG]

    Lenticular galaxy NGC 4526. Its dark lanes of dust and bright diffuse glow make the galaxy appear to hang like a halo in the emptiness of space.
    This galaxy is known to have a colossal supermassive black hole at its center that has the mass of 450 million Suns.

    [​IMG]

    Galaxy NGC 1291. Though the galaxy is quite old, ~ 12 billion years, it is marked by an unusual ring where newborn stars are igniting.
    NGC 1291 is located ~ 33 million ly away in the constellation Eridanus. It is what's known as a barred galaxy, because its central region is dominated by a long bar of stars (the bar is within the blue circle and looks like the letter "S"). The stars that appear blue in the central, bulge region of the galaxy are older; most of the gas there was previously used up by earlier generations of stars. When galaxies are young and gas-rich, stellar bars drive gas toward the center, feeding star formation.

    Over time, as the fuel runs out, the central regions become quiescent and star-formation activity shifts to the outskirts of a galaxy. There, spiral density waves and resonances induced by the central bar help convert gas to stars. The outer ring, seen here in red, is one such resonance area, where gas has been trapped and ignited into star-forming frenzy.
     
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  21. Drone

    Drone

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    [​IMG]

    NGC 1068 is a nearby [located ~ 50 million ly from Earth] spiral galaxy containing a black hole at its center that is twice as massive as the Milky Way's. A million-mile-per-hour wind is being driven from NGC 1068's black hole. This wind is likely generated as surrounding gas is accelerated and heated as it swirls toward the black hole.
     
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  22. Toothless

    Toothless

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    Subbing! I've always loved learning about the vast space of space.
     
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  23. Drone

    Drone

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    [​IMG]

    Perseus & Virgo galaxy clusters (X-ray images)

    [​IMG]

    NGC 90 is the spiral galaxy with extended arms at the top center of the image. Lies ~ 250 million ly away in the constellation of Andromeda.
     
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  24. Drone

    Drone

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    A hungry starburst galaxy M61

    [​IMG]

    Spectacular edge-on view of lenticular galaxy NGC 4762. It lies ~ 58 million ly away in the constellation of Virgo

    [​IMG]

    An immense collection of nearly 500 galaxies nicknamed "Pandora's Cluster" (Abell 2744). It weighs >4 trillion solar masses.

    [​IMG]
     
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  25. Drone

    Drone

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    Nebula called Gum 15

    [​IMG]

    Stellar nursery in NGC 3603

    [​IMG]
     
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