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"Dark matter in spiral galaxies" The Night Sky Observer's Guide, Volume 1
Bulletin of the American Astronomical Society 26: 911 University of Birmingham Astrophysics and Space Research Group

تجمعت مكوناته على شكل نجوم ومجرات

The Education and Training in Optics and Photonics Conference.

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تجمعت مكوناته على شكل نجوم ومجرات
The definitive report on the error in the Hubble mirror• "An optical and radio survey of the nuclei of bright galaxies — Activity in normal galactic nuclei"
مجرة
The sun is one of over 100 billion stars in the Milky Way galaxy
مجرة
Chapter 7, "Given the intrinsic value of a serviced Hubble, and the high likelihood of success for a
Astrophysical Journal 514 1 : 77—95 University of Maryland Department of Astronomy
"The on-orbit performance of WFPC2" "Physical processes behind the morphological Hubble sequence"

تجمعت مكوناته على شكل نجوم ومجرات

Astrophysical Journal 624 2 : 463—484.

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تجمعت مكوناته على شكل نجوم ومجرات
"Hubble repair improves vision and helps restore NASA's image"
تجمعت مكوناته على شكل نجوم ومجرات
They believed the other two null correctors were less accurate than the reflective null corrector and so could not verify its reliability
مجرة
The Astrophysical Journal Supplement Series