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spaceplasma:

M101, NGC 5473-4, NGC 5477, NGC 5485-6; Ursa Major

M101 is readily seen even in small aperture telescopes as a slightly oval grey fuzzy blob. It requires larger apertures to tease out its spiral structure. This image was taken and processed with the intent of showing the much fainter outer arm of M101; these are not commonly seen.

Credit & Copyright: Thomas V. Davis

solari-s:

WISE Infrared Andromeda -  This sharp, wide-field view features infrared light from the spiral Andromeda Galaxy (M31). Dust heated by Andromeda’s young stars is shown in yellow and red, while its older population of stars appears as a bluish haze. The false-color skyscape is a mosaic of images from NASA’s new Wide-field Infrared Survey Explorer (WISE) satellite. With over twice the diameter of our Milky Way, Andromeda is the largest galaxy in the local group. Andromeda’s own satellite galaxies M110 (below) and M32 (above) are also included in the combined fields. Launched in December 2009, WISE began a six month long infrared survey of the entire sky on January 14. Expected to discover near-Earth asteroids as well as explore the distant universe, its sensitive infrared detectors are cooled by frozen hydrogen. (via APOD)

Dna Galaxy by Lynette Cook

(via weareallstarstuff)

(via weareallstarstuff)

ikenbot:

Oldest Spiral Galaxy in Universe Discovered

Illustration: An artist’s rendering of galaxy BX442, which is 10.7 billion light-years from Earth, and its companion dwarf galaxy. Credit: Dunlap Institute for Astronomy & Astrophysics/Joe Bergeron

Astronomers have discovered the universe’s most ancient spiral galaxy yet, a cosmic structure that dates back roughly 10.7 billion years, a new study reveals.

The galactic find, discovered by researchers using NASA’s Hubble Space Telescope, comes as something of a surprise. Other galaxies from such early epochs are clumpy and irregular, not strikingly symmetrical like the newfound spiral, which broadly resembles our own Milky Way.

“The fact that this galaxy exists is astounding,” study lead author David Law, of the University of Toronto, said in a statement. “Current wisdom holds that such ‘grand-design’ spiral galaxies simply didn’t exist at such an early time in the history of the universe.”

solari-s:

Barred Spiral Galaxy NGC 1300 - Big, beautiful, barred spiral galaxy NGC 1300 lies some 70 million light-years away on the banks of the constellation Eridanus. This Hubble Space Telescope composite view of the gorgeous island universe is one of the largest Hubble images ever made of a complete galaxy. NGC 1300 spans over 100,000 light-years and the Hubble image reveals striking details of the galaxy’s dominant central bar and majestic spiral arms. In fact, on close inspection the nucleus of this classic barred spiral itself shows a remarkable region of spiral structure about 3,000 light-years across. Unlike other spiral galaxies, including our own Milky Way, NGC 1300 is not presently known to have a massive central black hole. (via APOD)

solari-s:

NGC 3314: When Galaxies Overlap - NGC 3314 is actually two large spiral galaxies which just happen to almost exactly line up. The foreground spiral is viewed nearly face-on, its pinwheel shape defined by young bright star clusters. But against the glow of the background galaxy, dark swirling lanes of interstellar dust appear to dominate the face-on spiral’s structure. The dust lanes are surprisingly pervasive, and this remarkable pair of overlapping galaxies is one of a small number of systems in which absorption of light from beyond a galaxy’s own stars can be used to directly explore its distribution of dust. NGC 3314 is about 140 million light-years (background galaxy) and 117 million light-years (foreground galaxy) away in the multi-headed constellation Hydra. The background galaxy would span nearly 70,000 light-years at its estimated distance. (via APOD)

cometsmeteoroids:

The Pinwheel Galaxy

Image Credits: X-ray: NASA/CXC/SAO; IR & UV: NASA/JPL-Caltech; Optical: NASA/STScI

This image of the Pinwheel Galaxy, also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA’s space-based telescopes. This multi-spectral view shows that both young and old stars are evenly distributed along M101’s tightly-wound spiral arms. Such composite images allow astronomers to see how features in one part of the spectrum match up with those seen in other parts. It is like seeing with a regular camera, an ultraviolet camera, night-vision goggles and X-ray vision, all at the same time.

The Pinwheel Galaxy is in the constellation of Ursa Major (also known as the Big Dipper). It is about 70 percent larger than our own Milky Way Galaxy, with a diameter of about 170,000 light years, and sits at a distance of 21 million light years from Earth. This means that the light we’re seeing in this image left the Pinwheel Galaxy about 21 million years ago - many millions of years before humans ever walked the Earth.

(via )

(via astrokyon)

iliveinaspiralgalaxy:

New Zealand Milky Way by Fringe Focus on Flickr.

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Astronomy Picture of the Day March 26th

M82: Galaxy with a Supergalactic Wind

(via takeyoutothestars)

anomalous13:

The Andromeda Galaxy

ninthestars:

Like the Pheonix by *HellsEscapeArtist

(via weareallstarstuff)