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News tagged with spiral arm

A 'Rose' made of galaxies

(PhysOrg.com) -- In celebration of the twenty-first anniversary of the Hubble Space Telescope's deployment in April 2011, astronomers at the Space Telescope Science Institute pointed Hubble's eye to an especially ...

Space & Earth / Astronomy

created Dec 21, 2011 | popularity 4.5 / 5 (8) | comments 0

Space image: Spiral galaxy

(PhysOrg.com) -- Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing ...

Space & Earth / Astronomy

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 0

Image: The Giant Nebula, NGC 3603

(PhysOrg.com) -- Thousands of sparkling young stars nestled within the giant nebula NGC 3603.

Space & Earth / Astronomy

created Nov 07, 2011 | popularity 5 / 5 (2) | comments 2

A star with spiral arms

For more than four hundred years, astronomers have used telescopes to study the great variety of stars in our galaxy. Millions of distant suns have been catalogued. There are dwarf stars, giant stars, dead ...

Space & Earth / Astronomy

created Nov 01, 2011 | popularity 4.6 / 5 (11) | comments 17 | with audio podcast

Spiral arms hint at the presence of planets

A new image of the disk of gas and dust around a sun-like star has spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen planets.

Space & Earth / Astronomy

created Oct 19, 2011 | popularity 4.3 / 5 (6) | comments 2

Galaxy caught blowing bubbles

(PhysOrg.com) -- Hubble's famous images of galaxies typically show elegant spirals or soft-edged ellipses. But these neat forms are only representative of large galaxies. Smaller galaxies like the dwarf irregular ...

Space & Earth / Astronomy

created Sep 29, 2011 | popularity 4.9 / 5 (7) | comments 12 | with audio podcast

Dark matter packs a punch: Milky Way's spiral arms formed by intergalactic collision

The signature spiral arms of the Milky Way galaxy were likely formed by an epic collision between the Milky Way and the Sagittarius Dwarf galaxy, according to a University of Pittsburgh researcher and his ...

Space & Earth / Astronomy

created Sep 14, 2011 | popularity 3.5 / 5 (11) | comments 6 | with audio podcast

A spiral in Leo

(PhysOrg.com) -- This new picture from ESO’s Very Large Telescope shows NGC 3521, a spiral galaxy located about 35 million light years away in the constellation of Leo (The Lion). Spanning about 50 000 ...

Space & Earth / Astronomy

created Aug 10, 2011 | popularity 4.8 / 5 (8) | comments 4 | with audio podcast

A new, distant arm of the Milky Way galaxy

(PhysOrg.com) -- Our Milky Way galaxy, like other spiral galaxies, has a disk with sweeping arms of stars, gas, and dust that curve around the galaxy like the arms of a huge pinwheel.

Space & Earth / Astronomy

created Jun 13, 2011 | popularity 4.8 / 5 (21) | comments 1 | with audio podcast

Testing the spiral density wave theory

Spiral galaxies are one of the most captivating structures in astronomy, yet their nature is still not fully understood. Astronomers currently have two categories of theories that can explain this structure, ...

Space & Earth / Astronomy

created May 30, 2011 | popularity 4.7 / 5 (7) | comments 4

Two views of a lopsided galaxy (w/ video)

(PhysOrg.com) -- The Meathook Galaxy, or NGC 2442, has a dramatically lopsided shape. One spiral arm is tightly folded in on itself and host to a recent supernova, while the other, dotted with recent star ...

Space & Earth / Astronomy

created May 04, 2011 | popularity 4.5 / 5 (2) | comments 19 | with audio podcast

New theory of evolution for spiral galaxy arms

(PhysOrg.com) -- A study of spiral patterns found in galaxies like our Milky Way could overturn the theory of how the spiral arm features form and evolve. The results are being presented by postgraduate student, ...

Space & Earth / Astronomy

created Apr 21, 2011 | popularity 4.7 / 5 (11) | comments 16 | with audio podcast

A galactic rose highlights Hubble's 21st anniversary

(PhysOrg.com) -- In celebration of the 21st anniversary of the Hubble Space Telescope’s deployment into space, astronomers pointed Hubble at an especially photogenic group of interacting galaxies called ...

Space & Earth / Astronomy

created Apr 20, 2011 | popularity 4.7 / 5 (7) | comments 8 | with audio podcast

A disturbed galactic duo

(PhysOrg.com) -- The galaxies in this cosmic pairing, captured by the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile, display some curious features, demonstrating ...

Space & Earth / Astronomy

created Apr 20, 2011 | popularity 5 / 5 (5) | comments 4 | with audio podcast

Spitzer captures infrared rays from a sunflower

(PhysOrg.com) -- The various spiral arm segments of the Sunflower galaxy, also known as Messier 63, show up vividly in this image taken in infrared light by NASA's Spitzer Space Telescope. Infrared light is ...

Space & Earth / Astronomy

created Mar 04, 2011 | popularity 5 / 5 (8) | comments 20