NASA's Astronomy Picture of the Day
الذهاب إلى القناة على Telegram
To find and view past APODs, tap here: t.me/apodQA/3 NASA's APOD presence in Telegram: 🌐apod.nasa.gov Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
إظهار المزيد📈 نظرة تحليلية على قناة تيليجرام NASA's Astronomy Picture of the Day
تُعد قناة NASA's Astronomy Picture of the Day (@apod_telegram) في القطاع اللغوي الإنكليزية لاعباً نشطاً. يضم المجتمع حالياً 34 847 مشتركاً، محتلاً المرتبة 410 في فئة حقائق والمرتبة 1 012 في منطقة الولايات المتحدة.
📊 مؤشرات الجمهور والحراك
منذ تأسيسه في невідомо، حقق المشروع نمواً سريعاً وجمع 34 847 مشتركاً.
بحسب آخر البيانات بتاريخ 14 يوليو, 2026، تحافظ القناة على نشاط مستقر. خلال آخر 30 يوماً تغيّر عدد الأعضاء بمقدار 120، وفي آخر 24 ساعة بمقدار 5، مع بقاء الوصول العام مرتفعاً.
- حالة التحقق: موثّقة (مؤكدة رسمياً من تيليجرام)
- معدل التفاعل (ER): يبلغ متوسط تفاعل الجمهور 16.03%. وخلال أول 24 ساعة من النشر يحصد المحتوى عادةً 7.18% من ردود الفعل نسبةً إلى إجمالي المشتركين.
- وصول المنشورات: يحصل كل منشور على متوسط 5 588 مشاهدة. وخلال اليوم الأول يجمع عادةً 2 503 مشاهدة.
- التفاعلات والاستجابة: يتفاعل الجمهور بانتظام؛ متوسط التفاعلات لكل منشور يبلغ 56.
- الاهتمامات الموضوعية: يركز المحتوى على مواضيع رئيسية مثل copyright, orion, jupiter, dust, nasa.
📝 الوصف وسياسة المحتوى
يصف المؤلف القناة بأنها مساحة للتعبير عن الآراء الذاتية:
“To find and view past APODs, tap here:
t.me/apodQA/3
NASA's APOD presence in Telegram:
🌐apod.nasa.gov
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astron...”
بفضل وتيرة التحديث المرتفعة (أحدث البيانات بتاريخ 15 يوليو, 2026) تحافظ القناة على حداثتها ومستوى وصول مرتفع. وتُظهر التحليلات تفاعلاً نشطاً من الجمهور، ما يجعلها نقطة تأثير مهمة ضمن فئة حقائق.
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منشورات القناة
2026 July 15
Red Sprites in the Tatacoa Desert
Image Credit & Copyright: Mario Vargas
Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)
Is there an angry Sith using force lightning in the Tatacoa Desert? This is not science fiction, but a red sprite with multiple streamers! Ordinary lightning occurs when thundercloud particles collide, lose their electrons, and build up negative charge at the cloud bottom. The cloud’s negative charge repels negative charge deeper into the Earth, leaving Earth’s surface positively charged. The opposite charges attract, reaching towards each other and superheating the air into a white strike of plasma. Red sprites are millisecond events triggered by positive cloud-to-ground lightning. They extend up into the mesosphere where the air is too thin for thunder. Their red glow comes from heated molecular nitrogen. There are several potential causes for red sprites, including that the preceding positive lightning exposes the negatively charged cloud core to the positively charged upper atmosphere, allowing those charges to connect. NASA’s Juno has observed sprites on Jupiter, indicating that sprites occur on other planets!
🔗Discuss 🎞HD
| 2 | Why do scientists think Torifune has two lobes? | 1 396 |
| 3 |  2026 July 14
Double Lobed Asteroid Torifune
Image Credit & Copyright: JAXA, U. of Tokyo, Chiba Tech, Tokyo U. of Science, AIST, Paris Obs., IAC
Why is this asteroid a double? Earlier this month the Japanese robotic spacecraft Hayabusa2 shot past asteroid 98943 Torifune and captured pictures. Although previous observations from distant Earth indicated that Torifune was oblong, Hayabusa2 found that Torifune actually has two joined lobes. With a length of about four soccer fields, this space rock frequently comes near the Earth as it orbits the Sun, although it is not a threat. Besides the two lobes, Torifune shows many large boulders, but, surprisingly, no obvious craters, likely because its surface is a pile of rubble. Like asteroid Arrokoth, it appears that each lobe formed separately before colliding and becoming stuck together. Hayabusa2 famously encountered asteroid Ryugu in 2018, and now heads for an encounter in 2031 with 1998 KY26, a smaller asteroid that rotates unusually fast and might have reservoirs of ice.
🔗Discuss 🎞HD | 2 553 |
| 4 | How often does the International Space Station orbit Earth? | 2 591 |
| 5 | Tomorrow's picture: asteroid double | 2 626 |
| 6 | If you could watch an aurora from one place, which would you choose? | 2 854 |
| 7 |  2026 July 13
Auroras from Space
Image Credit: ESA, NASA, ISS Expedition 74; Capture: Sophie Adenot;
Music: Circle of Light (Patrick Hawes & Grace Davidson)
What do auroras look like from above? Behold! From the ground, auroras dance high above clouds, frequently causing spectacular displays. From space, they look a bit different. As the International Space Station (ISS) circles the Earth every 90 minutes, it sometimes sees auroras below that are active on the night side. A one-hour time-lapse video showing auroras from above was captured about two weeks ago from the orbiting ISS. The ISS -- and all objects in low Earth orbit -- will pass well above green auroras but just a bit above red glowing auroras. The auroras' electron and proton streams are too thin to be a danger to the ISS, just as clouds pose little danger to airplanes. From orbit, as magnetic fields change, auroras can appear to squiggle and crawl like giant snakes. The featured one-minute video was captured by French astronaut Sophie Adenot of the ISS Expedition 74 crew.
🔗Discuss | 3 228 |
| 8 | Tomorrow's picture: aurora below | 3 088 |
| 9 |  2026 July 12
Galaxy NGC 474: Shells and Star Streams
Image Credit & License: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum)
What's happening to galaxy NGC 474? The multiple layers of emission appear strangely complex given the relatively featureless appearance of the elliptical galaxy in less deep images. The cause of the shells is a topic of research, but they are possibly tidal tails related to debris left over from absorbing numerous small galaxies in the past billion years. Alternatively, the shells may be like ripples in a pond, where the ongoing collision with the spiral galaxy just to the right of NGC 474 is causing density waves to ripple through the galactic giant. Regardless of the actual cause, the featured image dramatically highlights the increasing evidence that the halos of some elliptical galaxies are surprisingly complicated. Similarly, the halo of our own Milky Way Galaxy is one example of such unexpected intricacies. NGC 474 spans about 250,000 light years and lies about 100 million light years distant toward the constellation of the Fish (Pisces).
🔗Discuss 🎞HD | 3 724 |
| 10 | What is Messier 24 actually showing us? | 3 398 |
| 11 | Tomorrow's picture: shells and streams | 3 290 |
| 12 |  2026 July 11
Messier 24: Sagittarius Star Cloud
Image Credit & Copyright: Chuck Ayoub
Unlike most entries in Charles Messier's famous catalog of deep sky objects, M24 is not a bright galaxy, star cluster, or nebula. It's a gap in nearby, obscuring interstellar dust clouds that allows a view of the distant stars in the Sagittarius spiral arm of our Milky Way galaxy. Direct your gaze through this gap with binoculars or a small telescope and you are looking through a window over 300 light-years wide at stars some 10,000 light-years or more from Earth. Sometimes called the Small Sagittarius Star Cloud, M24's luminous stars stretch across this gorgeous interstellar scene. Spanning over four full moons on the sky toward the constellation Sagittarius, the telescopic field of view includes dark markings B92 and B93 near the center of M24, along with other clouds of dust and glowing nebulae toward the center of the Milky Way.
🔗Discuss 🎞HD | 3 994 |
| 13 | Why is Mare Orientale (the Eastern Sea) located on the Moon's western edge? | 3 838 |
| 14 | Tomorrow's Picture:
Up in the sky,
A gap among the clouds
Window to the stars | 3 810 |
| 15 |  2026 July 10
Western Moon, Eastern Sea
Image Credit & Copyright: Guy Bardon
The Mare Orientale, Latin for Eastern Sea, is one of the most striking large scale lunar features. The youngest of the large lunar impact basins it's very difficult to see from an earthbound perspective. Still, captured on July 7 during a period of favorable tilt, or libration of the lunar nearside, the Eastern Sea can be found at the upper right in this sharp telescopic view. In the image, the large lunar mare is extremely foreshortened and stretches along the Moon's western edge. Formed by the impact of an asteroid over 3 billion years ago and nearly 1000 kilometers across, the impact basin's concentric circular features are ripples in the lunar crust. But they are a little easier to spot in more direct images of the region taken from lunar orbit. So why is the Eastern Sea at the Moon's western edge? The Mare Orientale lunar feature was named before 1961. That's when the convention labeling east and west on lunar maps was reversed.
🔗Discuss 🎞HD | 4 706 |
| 16 | What makes the Cosmic Bat Nebula glow red? | 4 068 |
| 17 | Tomorrow's picture: western Moon, eastern sea | 4 091 |
| 18 |  2026 July 9
The Red Glow of the Cosmic Bat Nebula
Image Credit & Copyright: Humbert Cédric
Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)
This Cosmic Bat wishes you a happy Summerween! This mid-year celebration of Halloween transcends hemispheres, even though summer in the Northern hemisphere is winter in the South. Contrary to its eery aura, the Cosmic Bat Nebula (LDN 43), not to be confused with the Bat Nebula (NGC 6995), is a vibrant birthplace for stars. A bit of young starlight peeks through the dense clouds of gas and dust that make up the Cosmic Bat’s 12 lightyear wingspan. The ultraviolet light from the young stars energizes the nebula’s hydrogen gas, causing it to glow an ominous red. The jet of glowing hydrogen gas emerging from the bat’s head hints at the star formation hidden within.
🔗Discuss 🎞HD/Hα | 5 224 |
| 19 | Tomorrow's picture: Cosmic bat 🦇 | 4 431 |
| 20 | If you could save one historic space mission by extending its lifetime, what would it be? | 4 875 |
