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File:NGC2903 - HST - Potw1917a.jpg

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摘要

描述

Iconic[1]

Few of the Universe’s residents are as iconic as the spiral galaxy. These limelight-hogging celestial objects combine whirling, pinwheeling arms with scatterings of sparkling stars, glowing bursts of gas, and dark, weaving lanes of cosmic dust, creating truly awesome scenes — especially when viewed through a telescope such as the NASA/ESA Hubble Space Telescope. In fact, this image from Hubble frames a perfect spiral specimen: the stunning NGC 2903.

NGC 2903 is located about 30 million light-years away in the constellation of Leo (The Lion), and was studied as part of a Hubble survey of the central regions of roughly 145 nearby disc galaxies. This study aimed to help astronomers better understand the relationship between the black holes that lurk at the cores of galaxies like these, and the rugby-ball-shaped bulge of stars, gas, and dust at the galaxy’s centre — such as that seen in this image.

References

  1. ↑ NASA/Goddard Space Flight Center (3 May 2019). "Hubble spots a stunning spiral galaxy". EurekAlert!. Retrieved on 4 May 2019.

Credit:

ESA/Hubble & NASA, L. Ho et al. 

Coordinates
Position (RA): 	9 32 10.11
Position (Dec):	21° 30' 5.72"
Field of view: 	3.29 x 1.63 arcminutes
Orientation:   	North is 97.7° right of vertical

Colours & filters
Band   	Wavelength	Telescope
Optical NII	658 nm  	Hubble Space Telescope ACS
Optical NII	658 nm  	Hubble Space Telescope ACS
Optical I	814 nm  	Hubble Space Telescope ACS
Optical I	814 nm  	Hubble Space Telescope ACS
.
日期 29 April 2019, 06:00 (Release)
來源 https://www.spacetelescope.org/images/potw1917a/ https://cdn.spacetelescope.org/archives/images/large/potw1917a.jpg
作者 Credit: ESA/Hubble & NASA, L. Ho et al.
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目前2019年4月29日 (一) 05:07於 2019年4月29日 (一) 05:07 版本的縮圖3,945 × 1,957（4.01 MB）Fabian RRRR== {{int:filedesc}} == {{Information |Description='''Iconic Few of the Universe’s residents are as iconic as the spiral galaxy. These limelight-hogging celestial objects combine whirling, pinwheeling arms with scatterings of sparkling stars, glowing bursts of gas, and dark, weaving lanes of cosmic dust, creating truly awesome scenes — especially when viewed through a telescope such as the NASA/ESA Hubble Space Telescope. In fact, this image from Hubble frames a perfect spiral specimen: the s...

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