News tagged with spiral arms

Hubble spies a spiral galaxy edge-on

(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has spotted the "UFO Galaxy." NGC 2683 is a spiral galaxy seen almost edge-on, giving it the shape of a classic science fiction spaceship. This is why the ...

Apr 02, 2012
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Watching a star explode

NASA's Astronomy Picture of the Day for March 22 features a snapshot of a supernova - a massive star explosion - discovered only a week ago.

Mar 23, 2012
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The stellar superhighway in the Milky Way

Conventional wisdom suggests that, like planets round the Sun, stars follow approximately circular orbits which cross the spiral arms, and that the Sun presently lies in a spur rather than a major spiral arm.

Mar 21, 2012
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Transforming galaxies

(PhysOrg.com) -- Many of the Universe's galaxies are like our own, displaying beautiful spiral arms wrapping around a bright nucleus. Examples in this stunning image, taken with the Wide Field Camera 3 on ...

Feb 13, 2012
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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 ...

Dec 21, 2011
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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 ...

Dec 19, 2011
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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 ...

Nov 01, 2011
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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.

Oct 19, 2011
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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 ...

Sep 29, 2011
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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
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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
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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, ...

May 30, 2011
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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
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