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Space Pics v.3

#3
Orion Nebula NGC 1980

Orion Nebula NGC 1980

Once thought to be part of the Orion nebula, the star cluster NGC 1980 is actually a separate entity, scientists say. It appears around the brightest star seen at the bottom of this image, iota Ori. The disks around the star are the result of internal light reflection in the camera optics.

1024px-NGC_1980_DSS.jpg
 
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#4
View attachment 25Outskirts of the Orion Nebula
Pin It Credit: Gemini Observatory/AURA
This image, obtained during the late commissioning phase of the GeMS adaptive optics system, with the Gemini South AO Imager (GSAOI) on the night of December 28, 2012, reveals exquisite details in the outskirts of the Orion Nebula. Less «
 
#6
View attachment 32Andromeda Galaxy and the Milky Way Collision
Pin It Credit: NASA, ESA, Z. Levay and R. van der Marel (STScI), and A. Mellinger
This photo illustration depicts a view of the night sky just before the predicted merger between our Milky Way galaxy and the neighboring Andromeda galaxy. Image released May 31, 2012.
 
#7
View attachment 33Best UV View Ever of Andromeda Galaxy
Pin It Credit: NASA/Swift/Stefan Immler (GSFC) and Erin Grand (UMCP)
This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA's Swift spacecraft. It is the highest-resolution image of the galaxy ever recorded in the ultraviolet. The image shows a region 200,000 light-years wide and 100,000 light-years high (100 arcminutes by 50 arcminutes).
 
#8
View attachment 56The Stars Fill the Sky
Pin It Credit: Canada-France-Hawaii Telescope/Coelum
Monday, Dec. 8, 2014: Stars form in textbook fashion inside emission nebula NGC 2174, where molecular clouds condense into star formation regions. New stars next slowly blow unused material back into the interstellar medium. After the lengthy process has almost concluded, the stars have broken out into the open.

— Tom Chao Less «
 
#9
View attachment 57Gave Me a Surprise
Pin It Credit: ESO/VVV Team/A. Guzmán
Tuesday, Dec. 2, 2014: This image shows a portion of the Milky Way that lies in the constellation of Scorpius, close to the central plane of the galaxy. A dense cloud of dust and gas associated with the molecular cloud IRAS 16562-3959 clearly appears as an orange smudge among the pool of stars at the center of the image. In the center of the cloud the bright object known as G345.4938+01.4677 shines through the veil of gas and dust. This very young star forms as the cloud collapses under gravity. The young star is very bright and heavy, and it possesses surprising properties: A large disc of gas and dust floats around the forming star while a stream of material flows from it. Theories predict that the stream and disc likely should not exist around stars like G345.4938+01.4677, as the strong radiation from massive new stars would push material away. At the bottom left of the image, the bright star HD 153220 glows. Image released Dec. 1, 2014.

— Tom Chao Less «
 
#13
GeminidMtBalang_wu_960.jpg


Geminid Fireball over Mount Balang

This was a sky to remember. While viewing the Geminids meteor shower a few days ago, a bright fireball was captured over Mt. Balang, China with particularly picturesque surroundings. In the foreground, a sea of light clouds slowly floated between dark mountain peaks. In the background, the constellation of Orion shone brightly, with the familiar three stars of Orion's belt visible near the image top right. Sirius, the brightest star in the night sky, is visible near the image center. The bright fireball flashed for only a fraction of second on the lower right. The source of the fireball was a pebble that intersected the protective atmosphere of Earth, originally expelled by the Sun-orbiting asteroid-like object 3200 Phaethon.

Image Credit: Alvin Wu
 
#14
View attachment 80Advanced Camera for Surveys (ACS), the newest camera on NASA/ESA Hubble Space Telescope, has captured a spectacular pair of galaxies engaged in a celestial dance of cat and mouse or, in this case, mouse and mouse.

Located 300 million light-years away in the constellation Coma Berenices, the colliding galaxies have been nicknamed "The Mice" because of the long tails of stars and gas emanating from each galaxy. Otherwise known as NGC 4676, the pair will eventually merge into a single giant galaxy.

Credit:

NASA, Holland Ford (JHU), the ACS Science Team and ESA
 
#15
View attachment 81Galaxy Playing Twister
The Hubble telescope has captured an image of an unusual edge-on galaxy, revealing remarkable details of its warped dusty disk and showing how colliding galaxies spawn the formation of new generations of stars. The dust and spiral arms of normal spiral galaxies, like our own Milky Way, appear flat when viewed edge-on. This Hubble Heritage image of ESO 510-G13 shows a galaxy that, by contrast, has an unusual twisted disk structure, first seen in ground-based photographs.

Credit:

NASA/ESA and The Hubble Heritage Team STScI/AURA)
 
#16
View attachment 93The Hourglass Nebula
This is an image of MyCn18, a young planetary nebula located about 8,000 light-years away, taken with the Wide Field and Planetary Camera 2 (WFPC2) aboard the Hubble Space Telescope (HST).

This Hubble image reveals the true shape of MyCn18 to be an hourglass with an intricate pattern of 'etchings' in its walls. This picture has been composed from three separate images taken in the light of ionized nitrogen (represented by red), hydrogen (green), and doubly-ionized oxygen (blue).

The results are of great interest because they shed new light on the poorly understood ejection of stellar matter which accompanies the slow death of Sun-like stars. In previous ground-based images, MyCn18 appears to be a pair of large outer rings with a smaller central one, but the fine details cannot be seen.

Credit:

Raghvendra Sahai and John Trauger (JPL), the WFPC2 science team, andNASA/ESA
 
#19
ic1795_snyder_960.jpg


IC 1795: The Fishhead Nebula

To some, this nebula looks like the head of a fish. However, this colorful cosmic portrait really features glowing gas and obscuring dust clouds in IC 1795, a star forming region in the northern constellation Cassiopeia. The nebula's colors were created by adopting the Hubble false-color palette for mapping narrow emission from oxygen, hydrogen, and sulfur atoms to blue, green and red colors, and further blending the data with images of the region recorded through broadband filters. Not far on the sky from the famous Double Star Cluster in Perseus, IC 1795 is itself located next to IC 1805, the Heart Nebula, as part of a complex of star forming regions that lie at the edge of a large molecular cloud. Located just over 6,000 light-years away, the larger star forming complex sprawls along the Perseus spiral arm of our Milky Way Galaxy. At that distance, this picture would span about 70 light-years across IC 1795.

Image Credit & Copyright: Bill Snyder (Bill Snyder Photography)
 
#20
Galactic Wheel of Life Shines in InfraredView attachment 105
The ghostly structures highlighting the peculiar patterns of orbiting stars in the center of the galaxy NGC 1291 stand out vividly in this specially-processed image from NASA's Spitzer Space Telescope. By making detailed observations of the galaxy in infrared light, astronomers can tease out the hidden details of the strange dynamics in this barred galaxy.

The galaxy is about 12 billion years old and is located 33 million light years away in the Eridanus constellation. It is known as a barred galaxy because a central bar of stars (which looks like a blue "S" in this view) dominates its center.

When galaxies are young and gas-rich, stellar bars drive gas toward the center, feeding star formation. Over time, as the star-making 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 is one such resonance location, where gas has been trapped and ignited into a star-forming frenzy.

This image has been processed to suppress the smooth glow of starlight that fills the center of this galaxy, enhancing our view of the peculiar structure in this region. These spokes and clumps are essentially stellar traffic jams, formed by the convoluted orbits of the billions of stars bunching up as they move through the central bar. Close examination of the outer ring reveals that it is actually composed of two distinct arcs that partially blend into one another.

Infrared light at wavelengths of 3.4 and 4.5 microns are rendered in blue and green, combining into a single cyan tone showing the distribution of stars.
 
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