ملف:NGC2770 - HST - Potw2001a.tif

الصوره الاصليه (4,005 × 3,738 بكسل حجم الفايل: 38.69 ميجابايت، نوع MIME: image/tiff)

الملف دا من ويكيميديا كومنز و ممكن تستعمله المشاريع التانيه. الوصف بتاعه صفحة وصف الملف هناك معروض تحت..

الخلاصة

وصف

Imposter or the Real Deal? Imposter or the Real Deal?

This Picture of the Week, taken by the NASA/ESA Hubble Space Telescope, shows a close-up view of a galaxy named NGC 2770. NGC 2770 is intriguing, as over time it has hosted four different observed supernovae (not visible here).

Supernovae form in a few different ways, but always involve a dying star. These stars become unbalanced, lose control, and explode violently, briefly shining as brightly as an entire galaxy before slowly fading away.

One of the four supernovae observed within this galaxy, SN 2015bh, is especially interesting. This particular supernova initially had its identity called into question. When it was first discovered in 2015, astronomers classified SN 2015bh as a supernova imposter, believing it to be not an exploding star but simply an unpredictable outburst from a massive star in its final phase of life. Thankfully, astronomers eventually discovered the truth and the object was given its correct classification as a Type II supernova, resulting from the death of a star between eight and 50 times the mass of the Sun.

Credit:

ESA/Hubble & NASA, A. Filippenko

Coordinates
Position (RA):	9 9 34.38
Position (Dec):	33° 7' 19.30"
Field of view:	2.65 x 2.47 arcminutes
Orientation:	North is 16.1° right of vertical
Colours & filters Band	Wavelength	Telescope
Optical V      	555 nm	Hubble Space Telescope WFC3
Optical B      	438 nm	Hubble Space Telescope WFC3
Optical r      	625 nm	Hubble Space Telescope WFC3
Optical I      	814 nm	Hubble Space Telescope WFC3 
.
تاريخ 6 January 2020, 06:00 (Release)
مصدر https://spacetelescope.org/images/potw2001a/ https://spacetelescope.org/static/archives/images/original/potw2001a.tif
مؤلف Credit: ESA/Hubble & NASA, I. Karachentsev et al.
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هذا الملف مرخص تحت ترخيص المشاع الإبداعي الدولية المُلزِمة بنسب العمل إلى مُؤلِّفه 4.0.
نسبه ل: ESA/Hubble
إنت حر:
  • فى المشاركه – علشان نسخ و توزيع و بث العمل
  • إنك تمزج – فى تكييف العمل
بالشروط دى:
  • نسبه ل – لازم يتنسب العمل للى مألفه بشكل مناسب و توفير رابط للرخصه وتحديد اذا حصلت تغييرات. ممكن ده يتعمل بأى طريقه معقوله، لكن مش بطريقه تشير ان مانح الرخصه بيوافقك على الاستعمال.

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دلوقتي10:12، 6 يناير 2020تصغير للنسخة بتاريخ 10:12، 6 يناير 20204,005 × 3,738 (38.69 ميجابايت)Fabian RRRR== {{int:filedesc}} == {{Information |Description='''Imposter or the Real Deal? Imposter or the Real Deal? This Picture of the Week, taken by the NASA/ESA Hubble Space Telescope, shows a close-up view of a galaxy named NGC 2770. NGC 2770 is intriguing, as over time it has hosted four different observed supernovae (not visible here). Supernovae form in a few different ways, but always involve a dying star. These stars become unbalanced, lose control, and explode violently, briefly shining a...

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