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NGC 5584 (captured by the Hubble Space Telescope)

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The brilliant, blue glow of young stars trace the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image. Thin, dark dust lanes appear to be flowing from the yellowish core, where older stars reside. The reddish dots sprinkled throughout the image are largely background galaxies.

Among the galaxy's myriad stars are pulsating stars called Cepheid variables and one recent Type Ia supernova, a special class of exploding stars. Astronomers use Cepheid variables and Type Ia supernovae as reliable distance markers to measure the universe's expansion rate. NGC 5584 was one of eight galaxies astronomers studied to measure the universe's expansion rate. In those galaxies, astronomers analyzed more than 600 Cepheid variables, including 250 in NGC 5584.

Cepheid variables pulsate at a rate matched closely by their intrinsic brightness, making them ideal for measuring distances to relatively nearby galaxies. Type Ia supernovae flare with the same brightness and are brilliant enough to be seen from relatively longer distances.

Astronomers search for Type Ia supernovae in nearby galaxies containing Cepheid variables so they can compare true brightness of both types of stars. They then use that information to calibrate the measurement of Type Ia supernovae in far-flung galaxies and calculate their distance from Earth. Once astronomers know accurate distances to galaxies near and far, they can determine the universe's expansion rate.

The image is a composite of several exposures taken in visible light between January and April 2010 with Hubble's Wide Field Camera 3.

NGC 5584 resides 72 million light-years away in the constellation Virgo.
Tarix yanvar 2010 - aprel 2010
date QS:P,+2010-00-00T00:00:00Z/9,P1319,+2010-01-00T00:00:00Z/10,P1326,+2010-04-00T00:00:00Z/10
Mənbə http://hubblesite.org/newscenter/archive/releases/2011/08/image/a/ (direct link)
Müəllif NASA, ESA, A. Riess (STScI/JHU), L. Macri (Texas A&M University), and Hubble Heritage Team (STScI/AURA)
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This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or .
For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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indiki23:39, 14 mart 20113.539 × 4.016 (19 MB)Tryphon{{Information |Description=The brilliant, blue glow of young stars trace the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image. Thin, dark dust lanes appear to be flowing from the yellowish core, where older stars reside. The re

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Fayl Faylin tarixcesi Fayl kecidleri Faylin qlobal istifadesi MetamelumatlarSinaq gosterisi olcusu 528 599 piksel Diger olculer 211 240 piksel 423 480 piksel 677 768 piksel 902 1 024 piksel 1 805 2 048 piksel 3 539 4 016 piksel Faylin orijinali 8206 3 539 4 016 piksel fayl hecmi 19 MB MIME novu image jpeg Bu fayl Vikimedia Commons dadirve diger layihelerde istifade edile biler Faylin tesvir sehifesine get IzahNGC 5584 captured by the Hubble Space Telescope jpg The brilliant blue glow of young stars trace the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image Thin dark dust lanes appear to be flowing from the yellowish core where older stars reside The reddish dots sprinkled throughout the image are largely background galaxies Among the galaxy s myriad stars are pulsating stars called Cepheid variables and one recent Type Ia supernova a special class of exploding stars Astronomers use Cepheid variables and Type Ia supernovae as reliable distance markers to measure the universe s expansion rate NGC 5584 was one of eight galaxies astronomers studied to measure the universe s expansion rate In those galaxies astronomers analyzed more than 600 Cepheid variables including 250 in NGC 5584 Cepheid variables pulsate at a rate matched closely by their intrinsic brightness making them ideal for measuring distances to relatively nearby galaxies Type Ia supernovae flare with the same brightness and are brilliant enough to be seen from relatively longer distances Astronomers search for Type Ia supernovae in nearby galaxies containing Cepheid variables so they can compare true brightness of both types of stars They then use that information to calibrate the measurement of Type Ia supernovae in far flung galaxies and calculate their distance from Earth Once astronomers know accurate distances to galaxies near and far they can determine the universe s expansion rate The image is a composite of several exposures taken in visible light between January and April 2010 with Hubble s Wide Field Camera 3 NGC 5584 resides 72 million light years away in the constellation Virgo Tarix yanvar 2010 aprel 2010 date QS P 2010 00 00T00 00 00Z 9 P1319 2010 01 00T00 00 00Z 10 P1326 2010 04 00T00 00 00Z 10 Menbe http hubblesite org newscenter archive releases 2011 08 image a direct link Muellif NASA ESA A Riess STScI JHU L Macri Texas A amp M University and Hubble Heritage Team STScI AURA Icaze Faylin tekrar istifadesi Public domain Public domain false false This file is in the public domain because it was created by NASA and ESA NASA Hubble material and ESA Hubble material prior to 2009 is copyright free and may be freely used as in the public domain without fee on the condition that only NASA STScI and or ESA is credited as the source of the material This license does not apply if ESA material created after 2008 or source material from other organizations is in use The material was created for NASA by Space Telescope Science Institute under Contract NAS5 26555 or for ESA by the Hubble European Space Agency Information Centre Copyright statement at hubblesite org or 2008 copyright statement at spacetelescope org For material created by the European Space Agency on the spacetelescope org site since 2009 use the ESA Hubble tag Faylin tarixcesi Faylin evvelki versiyasini gormek ucun gun tarix bolmesindeki tarixlere klikleyin Tarix VaxtKicik sekilOlculerIstifadeciSerh indiki23 39 14 mart 20113 539 4 016 19 MB Tryphon Information Description The brilliant blue glow of young stars trace the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image Thin dark dust lanes appear to be flowing from the yellowish core where older stars reside The re Fayl kecidleri Bu sekile olan kecidler NGC 5584 Faylin qlobal istifadesi Bu fayl asagidaki vikilerde istifade olunur ar wikipedia org layihesinde istifadesi NGC 5584 arz wikipedia org layihesinde istifadesi NGC 5584 مجره be tarask wikipedia org layihesinde istifadesi NGC 5584 be 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