فيشي:Best image of Alpha Centauri A and B.jpg

محتويات الصفحة غير مدعومة بلغات أخرى.
من ويكيپيديا

لفيشي لأصلي(1,026 × 670 پيكسيل، تيساع لفيشي: 105 كيلوبايت، نوع لميديا: image/jpeg)

هاد لفيشي جاي من ويكيميديا كومنز و يمكن تخدّم ف پروجيات خرين. لوصف لي كاين ف صّفحة د لوصف د لفيشي مكتوب لتحت.

ملخص

الوصف
English: The closest star system to the Earth is the famous Alpha Centauri group. Located in the constellation of Centaurus (The Centaur), at a distance of 4.3 light-years, this system is made up of the binary formed by the stars Alpha Centauri A and Alpha Centauri B, plus the faint red dwarf Alpha Centauri C, also known as Proxima Centauri.

The NASA/ESA Hubble Space Telescope has given us this stunning view of the bright Alpha Centauri A (on the left) and Alpha Centauri B (on the right), flashing like huge cosmic headlamps in the dark. The image was captured by the Wide Field and Planetary Camera 2 (WFPC2). WFPC2 was Hubble’s most used instrument for the first 13 years of the space telescope’s life, being replaced in 2009 by WFC3 during Servicing Mission 4. This portrait of Alpha Centauri was produced by observations carried out at optical and near-infrared wavelengths.

Compared to the Sun, Alpha Centauri A is of the same stellar type G2, and slightly bigger, while Alpha Centauri B, a K1-type star, is slightly smaller. They orbit a common centre of gravity once every 80 years, with a minimum distance of about 11 times the distance between the Earth and the Sun. Because these two stars are, together with their sibling Proxima Centauri, the closest to Earth, they are among the best studied by astronomers. And they are also among the prime targets in the hunt for habitable exoplanets. Using the HARPS instrument astronomers already discovered a planet orbiting Alpha Centauri B. 24 August 2016 astronomers announced the discovery of an Earth-like planet in the habitable zone orbiting the star Proxima Centauri.
التاريخ (released)
المصدر http://www.spacetelescope.org/images/potw1635a/; see also https://www.flickr.com/photos/nasahubble/29211321440/
لكاتب ESA/Hubble & NASA

ترخيص

w:ar:مشاع إبداعي
النسبة
النسبة
ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
Conditions:
  • The full image or footage credit must be presented in a clear and readable manner to all users, with the wording unaltered (for example: "ESA/Hubble"). Web texts should be credited to ESA/Hubble (except when used by media). The credit should not be hidden or disassociated from the image footage. Links should be active if the credit is online. See the usage rights Q&A section on the ESA copyright page for guidance.
  • ESA/Hubble materials may not be used to state or imply the endorsement by ESA/Hubble or any ESA/Hubble employee of a commercial product or service.
  • ESA/Hubble requests a copy of the product sent to them to be indexed in their archive.
  • If an image shows an identifiable person, using that image for commercial purposes may infringe that person's right of privacy, and separate permission should be obtained from the individual.
  • If images or visuals are changed significantly from the original work (apart from resizing, cropping), we suggest that the changes are mentioned after the credit line. For example "Original image by ESA/Hubble (M. Kornmesser), warping and recolouring by NN".

Notes:

  • Note that this general permission does not extend to the use of ESA/Hubble's logo, which shall remain protected and may not be used or reproduced without prior and individual written consent of ESA/Hubble.
  • Also note that music, scientific papers and code on the esahubble.org site are not released under this license and can not be used for non-ESA/Hubble products.
  • By reproducing ESA/Hubble material, in part or in full, the user acknowledges the terms on which such use is permitted.
w:ar:مشاع إبداعي
النسبة
هذا الملف مرخص تحت ترخيص المشاع الإبداعي الدولية المُلزِمة بنسب العمل إلى مُؤلِّفه 4.0.
النسبة: ESA/Hubble
عندك كامل الحرية:
  • باش تپارطاجي – نسخ هاد لعامال و توزيعو و لبت ديالو
  • ف طور لمقادة – ف لمقادة معا لخدمة
تحت هاد الشروط:
  • النسبة – خاصك تنسب لعامال ل مولاه، وتوفر ليان ديال تّرخيص، وتحدد واش تغييرات تدارو، تقدر تدير هادشي ب أي طريقة معقولة، ولاكين ماشي ب شي طريقة كاتشير بلي مول تّرخيص كيدعمك ؤلا كيدعم تّخدام د هاد لعامال.

الشروحات

أضف شرحاً من سطر واحد لما يُمثِّله هذا الملف

العناصر المصورة في هذا الملف

يُصوِّر العربية

نوع الوسائط العربية

image/jpeg

325564b36c02122039d9b734ec9d5a36f3f6222b

طريقة الاستدلال العربية: SHA-1 الإنجليزية

حجم البيانات العربية

107,872 بايت

670 بكسل

العَرض العربية

1,026 بكسل

ليسطوريك د لفيشي

ورك على تاريخ/ساعة باش تشوف هاد لفيشي كيف كان كايبان ف داك لوقت

نهار/توقيتتصغيرالأبعادخدايميتعليق
ديال دابا13:29، 16 شتنبر 2016التصغير ديال النسخة بتاريخ 13:29، 16 شتنبر 20161,026 × 670 (105 كيلوبايت)Szczureqoriginal, not rescaled image
09:57، 29 غشت 2016التصغير ديال النسخة بتاريخ 09:57، 29 غشت 20161,280 × 836 (77 كيلوبايت)JmencisomUser created page with UploadWizard

هاد 1 صّفحات كيخدّمو هاد لفيشي:

التخدام لعالمي د لفيشي

لويكيات التالية كاتخدّم هاد لفيشي:

شوف تّخدام لأعم ديال هاد لفيشي.

ميتاداتا