NASA's Astronomy Picture of the Day
前往频道在 Telegram
To find and view past APODs, tap here: t.me/apodQA/3 NASA's APOD presence in Telegram: science.nasa.gov/apod Each day a different image of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
显示更多📈 Telegram 频道 NASA's Astronomy Picture of the Day 的分析概览
频道 NASA's Astronomy Picture of the Day (@apod_telegram) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 35 593 名订阅者，在 事实 类别中位列第 415，并在 美国 地区排名第 1 136 位。
📊 受众指标与增长动态
自 невідомо 创建以来，项目保持高速增长，吸引了 35 593 名订阅者。
根据 10 十一月, 2026 的最新数据，频道保持稳定运转。过去 30 天订阅人数变化为 325，过去 24 小时变化为 4，整体触达仍然可观。
- 认证状态： 已认证（Telegram 官方确认）
- 互动率 (ER)： 平均受众互动率为 16.82%。内容发布后 24 小时内通常能获得 6.86% 的反应，占订阅者总量。
- 帖子覆盖： 每篇帖子平均可获得 5 983 次浏览，首日通常累积 2 440 次浏览。
- 互动与反馈： 受众积极参与，单帖平均反应数为 77。
- 主题关注点： 内容集中在 copyright, orion, jupiter, dust, nasa 等核心主题上。
📝 描述与内容策略
作者将该频道定位为表达主观观点的平台：
“To find and view past APODs, tap here:
t.me/apodQA/3
NASA's APOD presence in Telegram:
science.nasa.gov/apod
Each day a different image of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.”
凭借高频更新（最新数据采集于 11 十一月, 2026），频道始终保持新鲜度与高覆盖。分析显示受众积极互动，使其成为 事实 类别中的关键影响点。
35 593
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+424 小时
+317 天
+32530 天
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| 日期 | 订阅者增长 | 提及 | 频道 | |
| 11 十一月 | +18 | |||
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| 08 十一月 | +22 | |||
| 07 十一月 | +12 | |||
| 06 十一月 | +18 | |||
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| 04 十一月 | +27 | |||
| 03 十一月 | +38 | |||
| 02 十一月 | +35 | |||
| 01 十一月 | +19 |
频道帖子
| 2 |  2026 November 11
NGC 4449: Small Galaxy, Big Impact
Image Credit & Copyright: NASA, ESA, A. Aloisi (STScI/ESA), and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration
Don’t judge a galaxy by its size. Our home galaxy, the Milky Way, is about 100,000 light years across. This huge expanse of space contains hundreds of billions of stars! The smallest galaxies, called dwarf galaxies, are about 1/10th the size of the Milky Way and only contain a few billion stars. They are also the most common type of galaxy in the whole universe. Today’s image shows one such dwarf galaxy, NGC 4449, captured by the Hubble Space Telescope. NGC 4449 and similar dwarf galaxies are missing more oxygen than models predict. This suggests their stellar winds and supernovae are surprisingly effective at blowing away oxygen and other heavy elements. Turns out these tiny galaxies may play a big role in spreading heavy elements — the building blocks of stars, planets, and life — throughout the universe!
🔗Discuss 🎞HD | 2 084 |
| 3 |  2026 November 10
Saturn Behind the Moon
Credit & Copyright: Roberto Ortu
Sometimes Saturn disappears. It doesn't really go away, of course -- it just disappears from our view when Earth's Moon moves in front. Such a Saturnian eclipse, more formally called an occultation, was visible in early 2025 along a small swath of Earth -- from Greenland through central Europe and into northern Africa. The featured image is a digital fusion of three images, the first of just Saturn before it disappeared, and then two more of the Moon with different exposure lengths. The images were taken from Sardinia, Italy, after sunset. The bright dot near Saturn is not a moon of Saturn, but rather the star 85 Aquarii, which is further behind Saturn than Saturn is behind the Moon. The next time the Moon moves in front of Saturn, as visible from some place on Earth, will be in 2031.
🔗Discuss 🎞HD | 3 482 |
| 4 |  2026 November 9
Rigel and the Witch Head Nebula
Credit & Copyright: Piotr Czerski
Does the blue nebula look like the head of a witch? The nebula is known popularly as the Witch Head Nebula because, it is said, the nebula's shape resembles a Halloween-style caricature of a witch's head. Exactly how, though, can be a topic of imaginative speculation. What is clear is that IC 2118 is about 50 light-years across and made of gas and dust that points to -- because it has been partly eroded by -- the nearby star Rigel. One of the brighter stars in the constellation Orion, Rigel lies just below the center of the featured image. The blue color of the Witch Head Nebula and is caused not only by Rigel's intense blue starlight but also because the dust grains scatter blue light more efficiently than red. The same physical process causes Earth's daytime sky to appear blue, although the scatterers in planet Earth's atmosphere are molecules of nitrogen and oxygen.
🔗Discuss 🎞HD | 3 389 |
| 5 | Tomorrow's picture: witch sky? | 3 208 |
| 6 |  2026 November 8
Major Fireball Meteor
Credit & Copyright: Ollie Taylor
The sky glows with soft pinkish colors of fading twilight in this serendipitous mountaintop vista. Taken in subfreezing temperatures, the thoughtfully composed photo shows snowy, rugged peaks seen from a mountain pass on 2017 November 14. Below lies the village of La Villa, Alta Badia in Italy's Dolomite Alps. Above the nestled village lights, the constellation Ursa Major hangs over the northern horizon. But most stunning is the intense fireball meteor. It was captured during the camera's exposure by chance as it flashed east to west across the northern horizon, under Ursa Major's familiar Big Dipper asterism. Sightings of this major fireball meteor were widely reported in European skies, making it one of the most reported fireball events ever for planet Earth's American Meteor Society and the International Meteor Organization. The meteor's measured track over Germany is consistent with its origin near the active radiant of November's Northern Taurid Meteor Shower, a shower associated with dust from Encke's comet.
🔗Discuss 🎞HD | 3 909 |
| 7 | Tomorrow's picture: meteoric | 3 422 |
| 8 |  2026 November 7
De Gerlache-Kocher Massif
Image Credit & Copyright: Alejandro Sanz
De Gerlache-Kocher massif looms on the visible horizon in this close-up of the edge of the Moon. The mountainous formation rises about 4 kilometers above its surroundings and is located very close to the lunar south pole. Boasting permanently shadowed crater floors that likely contain deposits of water ice and peaks that receive almost continuous sunlight for solar power generation, the south polar region is consider a prime location for the first human settlement on the Moon. In fact, De Gerlache-Kocher massif itself has been consider as a potential landing site for future crewed Artemis missions to the Moon. The remarkable telescopic image of the massif at the lunar limb was captured on October 31. Then, a favorable libration angle or lunar wobble enhanced this oblique view across the Moon's south pole.
🔗Discuss 🎞HD | 4 223 |
| 9 | Tomorrow's picture: Moon Massif | 4 099 |
| 10 |  2026 November 6
A Farewell to Swift
Image Credit & Copyright: NASA/Swift and AndreaMosaic
It is time to say goodbye to NASA's Neil Gehrels Swift Observatory: after nearly 22 years of service, the satellite re-entered Earth's atmosphere on November 4 at 7:39 EST over the North Sumatra region of Indonesia. The featured image is a mosaic created in 2018 using the first one million images captured by the satellite's Ultraviolet/Optical Telescope. Swift had a combination of instruments, including an X-ray telescope and a gamma-ray telescope, that worked together to study in detail the fastest and most energetic explosions in the universe. The most recent solar maximum accelerated the decay of the satellite's orbit, and an attempt to rescue it sadly failed. Swift burned on reentry like a shooting star, but the impressive data acquired by the telescope over its mission will continue to bring light to the mysteries of the cosmos for years to come. May it keep inspiring new missions to boldly go into space, explore new data and seek out new science.
🔗Discuss 🎞HD | 5 033 |
| 11 | Tomorrow's picture: farewell 🫡 | 4 183 |
| 12 | How do Enceladus's south polar plumes help sustain Saturn's E ring? | 4 535 |
| 13 |  2026 November 5
Enceladus in Silhouette
Image Credit & Copyright: Cassini Imaging Team, SSI, JPL, ESA, NASA
One of our Solar System's most tantalizing worlds, Enceladus is backlit by the Sun in this Cassini spacecraft image from November 1, 2009. The dramatic illumination reveals the plumes that continuously spew into space from the south pole of Saturn's 500 kilometer diameter moon. Discovered by Cassini in 2005, the icy plumes are likely connected to an ocean beneath the ice shell of Enceladus. They supply material directly to Saturn's outer, tenuous E ring and make the surface of Enceladus as reflective as snow. Across the scene, Saturn's icy rings scatter sunlight toward Cassini's cameras. Beyond the rings (lower right), the night side of 80 kilometer diameter moon Pandora is faintly lit by Saturnlight.
🔗Discuss 🎞HD | 4 795 |
| 14 |  2026 November 4
The Not-So-Hidden Galaxy, IC 342
Image Credit & Copyright: Artem Mironov
“I see” IC 342, the Hidden Galaxy! Today’s image peers through the plane of the Milky Way, through all its gas, dust and stars, to unveil this spiral galaxy. IC 342 (or Caldwell 5) is one of the brightest members of the IC 342/Maffei group of galaxies. Located about 10 million light years away, this group is quite close to the Local Group that includes our Milky Way. Inaccurate accounting of the crowded and dusty Milky Way foreground has led to misunderstandings in IC 342’s history, including the theory that the galaxy was ejected from the Local Group. IC 342 has its own dust intermittently blocking the glow of hydrogen gas, indicating the presence of bright, young stars. Magnetic field maps of IC 342 reveal that magnetic fields may contribute substantially to one of the biggest galactic puzzles: how do spiral arms form?
🔗Discuss 🎞HD | 4 998 |
| 15 | Tomorrow's picture: a hidden gem | 4 903 |
| 16 |  2026 November 3
Comet PanSTARRs and Rainbow Meteor
Credit & Copyright: Eddy Metais
Did this meteor come from that comet? Probably not. Although many meteors do originate from comets, there are thousands of comets that have visited the inner Solar System recently, and matching meteors to them can be tricky. And to be clear, the pictured comet is far behind the streaking meteor. Comet C/2025 R3 (PanSTARRS) was captured from Hautacam, France in April when the giant space iceberg sported impressive ion (blue) and dust tails. Sand-sized rocky debris that enters Earth’s atmosphere typically appears as meteors, while the colorful foreground streak here may indicate a complicated composition. This month three notable meteor showers will reach their peaks. Over the next few days, the Southern Taurids will be reaching their apex, while the Northern Taurids will top out about a week later. Both originate from Comet 2P/Encke. November is most famous for the Leonids Meteor Shower, though, which originates from Comet 55P/Tempel-Tuttle and will reach its crescendo in about two weeks.
🔗Discuss 🎞HD | 5 833 |
| 17 |  2026 November 2
A Long Cloud on Mars
Credit: ESA, DLR, FU Berlin; Processing & License: J. Cowart
What’s causing this unusually long cloud on Mars? Known as the Arsia Mons Elongated Cloud (AMEC) and first recorded by NASA’s Viking Orbiter 2 in 1977, the strange cloud has been imaged in greater detail more recently by ESA’s robotic Mars Express spacecraft. The featured image is from 2018. The cloud forms only during spring and summer seasons and then only during morning hours. Made of water-ice, the most familiar process that causes cloud crystals to form around bits of dust would fail due to the thinness and lack of dust high in the Martian atmosphere. Leading speculation holds that dust is not involved. After the cloud forms near the volcano Arsia Mons, wind blows the cloud downstream — creating a tail that can extend over 1500 kilometers. Efforts to better understand AMECs will continue, an understanding that may bolster a more complete view of cloud formation on Earth.
🔗Discuss 🎞HD | 5 590 |
| 18 | Tomorrow's picture: longing for mars | 5 252 |
| 19 |  2026 November 1
Colors of the Moon
Credit & Copyright: Marcella Giulia Pace
What color is the Moon? It depends on the night -- and the time. Outside of the Earth's atmosphere, the dark Moon, which shines by reflected sunlight, appears a magnificently brown-tinged gray. The featured image highlights a collection of apparent colors of the full moon on Earth, documented by one astrophotographer over 10 years from different locations across Italy. A red- or yellow-colored moon usually indicates a moon seen near the horizon. There, some of the blue light has been scattered away by a long path through the Earth's atmosphere, sometimes laden with fine dust. A blue-colored moon is more rare and can indicate an atmosphere carrying larger dust particles. What created the purple moon is unclear -- it may be a combination of several effects. The last image captures the total lunar eclipse of 2018 July -- where the moon, in Earth's shadow, appeared a faint red -- due to light refracted through air around the Earth. Have you ever seen an unusually colorful Moon?
🔗Discuss 🎞HD | 6 757 |
| 20 | Tomorrow's picture: many moons | 5 427 |
