News tagged with spiral arms

Hubble sees a vapor of stars

(Phys.org) -- Relatively few galaxies possess the sweeping, luminous spiral arms or brightly glowing center of our home galaxy the Milky Way. In fact, most of the Universe's galaxies look like small, amorphous ...

Jul 02, 2012
5 / 5 (2) 0 | with audio podcast

Hubble eyes a loose spiral galaxy

(Phys.org)—The Hubble Space Telescope has spotted the spiral galaxy ESO 499-G37, seen here against a backdrop of distant galaxies, scattered with nearby stars.

Nov 26, 2012
4.8 / 5 (11) 0 | 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.

Jun 13, 2011
4.6 / 5 (22) 1 | with audio podcast

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 ...

May 04, 2011
4.5 / 5 (2) 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, ...

Apr 21, 2011
4.8 / 5 (12) 16 | 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 ...

Aug 10, 2011
4.8 / 5 (8) 4 | 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 ...

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

The dusty disc of NGC 247

This image of NGC 247, taken by the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile, reveals the fine details of this highly inclined spiral galaxy and its rich ...

Mar 02, 2011
5 / 5 (3) 0 | with audio podcast

Spirals in a galaxy may arise from density waves

It's often said that the shape of a spiral galaxy follows the curve of a golden spiral. You can see this, for example, in the image above. While it's often implied that this curve matches exactly, that isn't ...

Oct 09, 2014
4.5 / 5 (13) 3

The galactic mosh pit

Astronomers have discovered that our Galaxy wobbles. An international team of astronomers around Mary Williams from the Leibniz Institute for Astrophysics Potsdam (AIP) detected and examined this phenomenon ...

Oct 22, 2013
4.7 / 5 (12) 14

An elegant galaxy in an unusual light (w/ Video)

(PhysOrg.com) -- A new image taken with the powerful HAWK-I camera on ESO's Very Large Telescope at Paranal Observatory in Chile shows the beautiful barred spiral galaxy NGC 1365 in infrared light. NGC 1365 ...

Sep 22, 2010
4.9 / 5 (11) 1 | with audio podcast

A nearby galactic exemplar

ESO has released a spectacular new image of NGC 300, a spiral galaxy similar to the Milky Way, and located in the nearby Sculptor Group of galaxies. Taken with the Wide Field Imager (WFI) at ESO’s La Silla ...

Sep 08, 2010
5 / 5 (4) 0 | with audio podcast