News tagged with spiral arms

WISE finds few brown dwarfs close to home

(Phys.org) -- Astronomers are getting to know the neighbors better. Our sun resides within a spiral arm of our Milky Way galaxy about two-thirds of the way out from the center. It lives in a fairly calm, suburb-like ...

dateJun 08, 2012 in Astronomy
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Hubble sees a spiral within a spiral

(Phys.org) -- NASA's Hubble Space Telescope captured this image of the spiral galaxy known as ESO 498-G5. One interesting feature of this galaxy is that its spiral arms wind all the way into the center, so ...

dateMay 28, 2012 in Astronomy
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A pinwheel in many colors

(Phys.org) -- This image of the Pinwheel Galaxy, or 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 ...

dateMay 25, 2012 in Astronomy
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A new paradigm for active galactic nuclei

(Phys.org) -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. ...

dateApr 24, 2012 in Astronomy
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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 ...

dateApr 02, 2012 in Astronomy
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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.

dateMar 23, 2012 in Astronomy
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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.

dateMar 21, 2012 in Astronomy
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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 ...

dateFeb 13, 2012 in Astronomy
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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 ...

dateDec 21, 2011 in Astronomy
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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 ...

dateDec 19, 2011 in Astronomy
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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 ...

dateNov 01, 2011 in Astronomy
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