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Date Posted:09/03/2018 12:10 PMCopy HTML

See Explanation.  Clicking on the picture will download the highest resolution version available.

Horsehead: A Wider View 
Composition and Processing: Robert Gendler 
Image Data: ESOVISTAHLAHubble Heritage Team (STScI/AURA)

Explanation: Combined image data from the massive, ground-based VISTA telescope and the Hubble Space Telescope was used to create this wide perspective of the interstellar landscape surrounding the famous Horsehead Nebula. Captured at near-infrared wavelengths, the region's dusty molecular cloud sprawls across the scene that covers an angle about two-thirds the size of the Full Moon on the sky. Left to right the frame spans just over 10 light-years at the Horsehead's estimated distance of 1,600 light-years. Also known as Barnard 33, the still recognizable Horsehead Nebula stands at the upper right, the near-infrared glow of a dusty pillar topped with newborn stars. Below and left, the bright reflection nebula NGC 2023 is itself the illuminated environs of a hot young star. Obscuring clouds below the base of the Horsehead and on the outskirts of NGC 2023 show the tell-tale far red emission of energetic jets, known as Herbig-Haro objects, also associated with newborn stars.

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Re:NASA pics

Date Posted:25/02/2025 9:00 AMCopy HTML

2025 February 25
A starscape is shown with red filaments running 
diagonally from the lower left to the upper right.
Many bright blue stars are visible across the center
of the frame. 
Please see the explanation for more detailed information.

M41: The Little Beehive Star Cluster
Image Credit & Copyright: Xinran Li

Explanation: Why are there so many bright blue stars? Stars are usually born in clusters, and the brightest and most massive of these stars typically glow blue. Less-bright, non-blue stars like our Sun surely also exist in this M41 star cluster but are harder to see. A few bright orange-appearing red giant stars are visible. The red-light filaments are emitted by diffuse hydrogen gas, a color that was specifically filtered and enhanced in this image. In a hundred million years or so, the bright blue stars will have exploded in supernovas and disappeared, while the slightly different trajectories of the fainter stars will cause this picturesque open cluster to disperse. Similarly, billions of years ago, our own Sun was likely born into a star cluster like M41, but it has long since drifted apart from its sister stars. The featured image was captured over four hours with Chilescope T2 in Chile.


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Re:NASA pics

Date Posted:24/02/2025 9:34 AMCopy HTML

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Re:NASA pics

Date Posted:24/02/2025 9:10 AMCopy HTML

2025 February 24
A slope of volcano is pictured with red glowing
lava running down its side. A dark starry sky is in
the background. Up into the sky a red column is visible.
Please see the explanation for more detailed information.

Light Pillar over Erupting Etna
Image Credit & Copyright: Davide Caliò

Explanation: Can a lava flow extend into the sky? No, but light from the lava flow can. One effect is something quite unusual -- a volcanic light pillar. More typically, light pillars are caused by sunlight and so appear as a bright column that extends upward above a rising or setting Sun. Alternatively, other light pillars -- some quite colorful -- have been recorded above street and house lights. This light pillar, though, was illuminated by the red light emitted by the glowing magma of an erupting volcano. The volcano is Italy's Mount Etna, and the featured image was captured with a single shot during an early morning in mid-February. Freezing temperatures above the volcano's lava flow created ice-crystals either in the air above the volcano or in condensed water vapor expelled by Mount Etna. These ice crystals -- mostly flat toward the ground but fluttering -- then reflected away light from the volcano's caldera.


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Re:NASA pics

Date Posted:22/02/2025 11:33 AMCopy HTML

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Re:NASA pics

Date Posted:22/02/2025 9:14 AMCopy HTML

2025 February 22
See Explanation.  Clicking on the picture will download
the highest resolution version available.

Rima Hyginus
Image Credit & Copyright: Vincenzo Mirabella

Explanation: Rima Hyginus is a spectacular fissure, some 220 kilometers long, found near the center of the lunar near side. Easy to spot in telescopic views of the Moon, it stretches top left to bottom right across this lunar closeup. The image was made with exaggerated colors that reflect the mineral composition of the lunar soil. Hyginus crater lies near the center of the narrow lunar surface groove. About 10 kilometers in diameter, the low-walled crater is a volcanic caldera, one of the larger non-impact craters on the lunar surface. Dotted with small pits formed by surface collapse, Hyginus rima itself was likely created by stresses due to internal magma upwelling and collapse along a long surface fault. The intriguing region was a candidate landing site for the canceled Apollo 19 mission.


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Re:NASA pics

Date Posted:21/02/2025 9:01 AMCopy HTML

2025 February 21
See Explanation.  Clicking on the picture will download
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Hubble's Andromeda Galaxy Mosaic
Image Credit: NASAESAHubble Mission,
B. F. Williams (Univ Washington), Z. Chen (Univ Washington), L. C. Johnson (Northwestern),
Processing; Joseph DePasquale (STScI)

Explanation: The largest photomosaic ever assembled from Hubble Space Telescope image data is a panoramic view of our neighboring spiral Andromeda Galaxy. With 600 overlapping frames assembled from observations made from July 2010 to December 2022, the full Hubble Andromeda Galaxy mosaic spans almost six full moons across planet Earth's sky. A cropped version shown above is nearly two full moons across and partially covers Andromeda's core and inner spiral arms. Also known as M31, the Andromeda Galaxy is 2.5 million light-years away. That makes it the closest large spiral galaxy to our own Milky Way. Our perspective on the spiral Milky Way is anchored to the view from the location of the Sun, a star found within the Milky Way's galactic disk. But Hubble's magnificent Andromeda mosaic offers an expansive view of a large spiral galaxy from the outside looking in. Hubble's comprehensive, detailed data set extending across the Andromeda Galaxy will allow astronomers to make an unprecedented holistic exploration of the mysteries of spiral galaxy structure and evolution.


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Re:NASA pics

Date Posted:21/02/2025 7:41 AMCopy HTML

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Re:NASA pics

Date Posted:20/02/2025 10:17 AMCopy HTML

2025 February 20
See Explanation.  Clicking on the picture will download
the highest resolution version available.

Messier 87
Image Credit: NASA, ESA and the Hubble Heritage Team

Explanation: Enormous elliptical galaxy Messier 87 is about 50 million light-years away. Also known as NGC 4486, the giant galaxy holds trillions of stars compared to the mere billions of stars in our large spiral Milky Way. M87 reigns as the large central elliptical galaxy in the Virgo galaxy cluster. An energetic jet from the giant galaxy's core is seen to stretch outward for about 5,000 light-years in this sharp optical and near-infrared view from the Hubble Space Telescope. In fact, the cosmic blow torch is seen across the electromagnetic spectrum from gamma-rays to radio wavelengths. Its ultimate power source is M87's central, supermassive black hole. An image of this monster in the middle of M87 has been captured by planet Earth's Event Horizon Telescope.


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Re:NASA pics

Date Posted:20/02/2025 7:05 AMCopy HTML

Amazing Rocky 

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Re:NASA pics

Date Posted:19/02/2025 8:39 AMCopy HTML

2025 February 19
A dark field has a single, colorful, blurry structure 
in its center. Red-colored jets extend out from the center
toward the top and bottom of the frame. A dark disk covers
the center. Blue outflows appear on both sides of the 
horizontal disk. To the lower left, a larger blue outflow
extends. 
Please see the explanation for more detailed information.

HH 30: A Star System with Planets Now Forming
Image CreditJames Webb Space TelescopeESANASA & CSAR. Tazaki et al.

Explanation: How do stars and planets form? New clues have been found in the protoplanetary system Herbig-Haro 30 by the James Webb Space Telescope in concert with Hubble and the Earth-bound ALMA. The observations show, among other things, that large dust grains are more concentrated into a central disk where they can form planets. The featured image from Webb shows many attributes of the active HH-30 system. Jets of particles are being expelled vertically, shown in red, while a dark dust-rich disk is seen across the center, blocking the light from the star or stars still forming there. Blue-reflecting dust is seen in a parabolic arc above and below the central disk, although why a tail appears on the lower left is currently unknown. Studying how planets form in HH 30 can help astronomers better understand how planets in our own Solar System once formed, including our Earth.



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Re:NASA pics

Date Posted:19/02/2025 7:18 AMCopy HTML

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Re:NASA pics

Date Posted:18/02/2025 9:31 AMCopy HTML

2025 February 18
A tall starscape appears to have two bright nebulas.
The large one at the top is colored mostly red and is known
as the Seagull Nebula. The small one near the bottom right
is known as Thor's Helmet. 
Please see the explanation for more detailed information.

Thor's Helmet versus the Seagull
Image Credit & Copyright: Nicolas Martino, Adrien Soto, Louis Leroux & Yann Sainty

Explanation: Seen as a seagull and a duck, these nebulae are not the only cosmic clouds to evoke images of flight. But both are winging their way across this broad celestial landscape, spanning almost 7 degrees across planet Earth's night sky toward the constellation of the Big Dog (Canis Major). The expansive Seagull (top center) is itself composed of two major cataloged emission nebulas. Brighter NGC 2327 forms the head with the more diffuse IC 2177 as the wings and body. Impressively, the Seagull's wingspan would correspond to about 250 light-years at the nebula's estimated distance of 3,800 light-years. At the lower right, the Duck appears much more compact and would span only about 50 light-years given its 15,000 light-year distance estimate. Blown by energetic winds from an extremely massive, hot star near its center, the Duck nebula is cataloged as NGC 2359. Of course, the Duck's thick body and winged appendages also lend it the slightly more dramatic popular moniker, Thor's Helmet


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Re:NASA pics

Date Posted:18/02/2025 7:31 AMCopy HTML

Amazing Rocky x

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Re:NASA pics

Date Posted:17/02/2025 10:03 AMCopy HTML

2025 February 17
Houses are seen on a street below the night sky.
In the sky is a bright light plume that looks like the outline
of a giant fish. 
Please see the explanation for more detailed information.

SpaceX Rocket Launch Plume over California
Image Credit & Copyright: Martin LaMontagne

Explanation: What's happened to the sky? Last Monday, the photogenic launch plume from a SpaceX rocket launch created quite a spectacle over parts of southern California and Arizona. Looking at times like a giant space fish, the impressive rocket launch from Vandenberg Air Force Base near Lompoc, California, was so bright because it was backlit by the setting Sun. The Falcon 9 rocket successfully delivered to low Earth orbit 23 Starlink communications satellites. The plume from the first stage is seen on the right, while the soaring upper stage rocket is seen at the apex of the plume toward the left. Venus appears at the top of the frame, while a bright streetlight shines on the far right. The featured image was captured toward the west after sunset from near Phoenix, Arizona


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Re:NASA pics

Date Posted:17/02/2025 6:56 AMCopy HTML

Amazing Rocky 

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Re:NASA pics

Date Posted:16/02/2025 7:53 AMCopy HTML


See Explanation.  Clicking on the picture will download
 the highest resolution version available.

Aurora Georgia
Image Credit & Copyright: Wright Dobbs

Explanation: A familiar sight from Georgia, USA, the Moon sets near the western horizon in this rural night skyscape. Captured on May 10 before local midnight, the image overexposes the Moon's bright waxing crescent at left in the frame. A long irrigation rig stretches across farmland about 15 miles north of the city of Bainbridge. Shimmering curtains of aurora shine across the starry sky, definitely an unfamiliar sight for southern Georgia nights. Last weekend, extreme geomagnetic storms triggered by the recent intense activity from solar active region AR 3664 brought epic displays of aurora, usually seen closer to the poles, to southern Georgia and even lower latitudes on planet Earth. As solar activity ramps up, more storms are possible.


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Re:NASA pics

Date Posted:16/02/2025 7:29 AMCopy HTML

Wow amazing

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Re:NASA pics

Date Posted:15/02/2025 8:56 AMCopy HTML

2025 February 15
See Explanation.  Clicking on the picture will download
the highest resolution version available.

Parhelia at Abisko
Image Credit & Copyright: Felipe Menzella

Explanation: Three suns seem to hug the horizon in this otherworldly winterscape. But the evocative scene was captured during a February 3rd snowmobile exploration of the mountainous region around Abisko National Park, northern Sweden, planet Earth. The two bright spots on either side of Earth's Sun are parhelia (singular parhelion), also known as mock suns or sun dogs. The parhelia are caused by hexagonal ice crystals suspended in the hazy atmosphere that reflect and refract sunlight. Commonly seen in winter and at high latitudes, the bright parhelia lie along the visible 22 degree ice halo of the Sun.



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Re:NASA pics

Date Posted:14/02/2025 11:42 AMCopy HTML

Letting me post now very queer. 


Thanks Rocky

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Re:NASA pics

Date Posted:14/02/2025 9:03 AMCopy HTML

2025 February 14
See Explanation.  Clicking on the picture will download
the highest resolution version available.

A Cosmic Rose: NGC 2237 in Monoceros
Image Credit & Copyright: Harry Karamitsos

Explanation: The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas and dust to evoke the imagery of flowers, but it is probably the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 light years away, the petals of this cosmic rose are actually a stellar nursery. The lovely, symmetric shape is sculpted by the winds and radiation from its central cluster of hot young, O-type stars. Stars in the energetic cluster, cataloged as NGC 2244, are only a few million years young, while the central cavity in the Rosette Nebula, is about 50 light-years in diameter. The nebula can be seen with a small telescope toward the constellation of Monoceros, the Unicorn. This natural appearing telescopic portrait of the Rosette Nebula was made using broadband color filters, but sometimes roses aren't red.


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Re:NASA pics

Date Posted:13/02/2025 9:21 AMCopy HTML

2025 February 13
See Explanation.  Clicking on the picture will download
the highest resolution version available.

Reflections on VdB 31
Image Credit & Copyright: Roberto Marinoni

Explanation: Riding high in the constellation of Auriga, beautiful, blue VdB 31 is the 31st object in Sidney van den Bergh's 1966 catalog of reflection nebulae. It shares this well-composed celestial still life with dark, obscuring clouds B26, B27, and B28, recorded in Edward E. Barnard's 1919 catalog of dark markings in the sky. All are these nebulae are interstellar dust clouds. Barnard's dark nebulae block the light from background stars. For VdB 31 the dust preferentially reflects bluish starlight from embedded, hot, variable star AB Aurigae. Exploring the environs of AB Aurigae with the Hubble Space Telescope has revealed the several million year young star is itself surrounded by a flattened dusty disk with evidence for the ongoing formation of a planetary system. AB Aurigae is about 470 light-years away. At that distance this cosmic canvas would span about eight light-years.


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Re:NASA pics

Date Posted:13/02/2025 6:59 AMCopy HTML

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Re:NASA pics

Date Posted:12/02/2025 8:27 AMCopy HTML


See Explanation.  Clicking on the picture will download
the highest resolution version available.

Aurora Australis and the International Space Station
Image Credit: NASA, ISS Expedition 71

Explanation: This snapshot from the International Space Station was taken on August 11 while orbiting about 430 kilometers above the Indian Ocean, Southern Hemisphere, planet Earth. The spectacular view looks south and east, down toward the planet's horizon and through red and green curtains of aurora australis. The auroral glow is caused by emission from excited oxygen atoms in the extremely rarefied upper atmosphere still present at the level of the orbiting outpost. Green emission from atomic oxygen dominates this scene at altitudes of 100 to 250 kilometers, while red emission from atomic oxygen can extend as high as 500 kilometers altitude. Beyond the glow of these southern lights, this view from low Earth orbit reveals the starry sky from a southern hemisphere perspective. Stars in Orion's belt and the Orion Nebula are near the Earth's limb just left of center. Sirius, alpha star of Canis Major and brightest star in planet Earth's night is above center along the right edge of the southern orbital skyscape.


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Re:NASA pics

Date Posted:12/02/2025 6:54 AMCopy HTML

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Re:NASA pics

Date Posted:11/02/2025 9:05 AMCopy HTML

2025 February 11
A star field has a red diffuse glow on the right-hand side.
Distinct nebulas appear in the center and on the lower left. 
Please see the explanation for more detailed information.

The Spider and the Fly
Image Credit & Copyright: Dave Boddington

Explanation: Will the spider ever catch the fly? Not if both are large emission nebulas toward the constellation of the Charioteer (Auriga). The spider-shaped gas cloud in the image center is actually an emission nebula labelled IC 417, while the smaller fly-shaped cloud on the left is dubbed NGC 1931 and is both an emission nebula and a reflection nebula. About 10,000 light-years distant, both nebulas harbor young star clusters. For scale, the more compact NGC 1931 (Fly) is about 10 light-years across. The featured deep image, captured over 20 hours during late January in Berkshire UK, also shows more diffuse and red-glowing interstellar gas and dust.


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Re:NASA pics

Date Posted:10/02/2025 9:56 AMCopy HTML

Absolutely amazing thanks Rocky 

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Re:NASA pics

Date Posted:10/02/2025 8:53 AMCopy HTML

2025 February 10
A snowy landscape sits below a star filled sky. 
Dominating the frame is a large aurora in red, green,
yellow, purple, white. 
Please see the explanation for more detailed information.

Auroral Hummingbird over Norway
Image Credit & Copyright: Mickael Coulon

Explanation: Is this the largest hummingbird ever? Although it may look like a popular fluttering nectarivore, what is pictured is actually a beautifully detailed and colorful aurora, complete with rays reminiscent of feathers. This aurora was so bright that it was visible to the unaided eye during blue hour -- just after sunset when the sky appears a darkening blue. However, the aurora only looked like a hummingbird through a sensitive camera able to pick up faint glows. As reds typically occurring higher in the Earth's atmosphere than the greens, the real 3D shape of this aurora would likely appear unfamiliar. Auroras are created when an explosion on the Sun causes high energy particles to flow into the Earth's atmosphere and excite atoms and molecules of nitrogen and oxygen. The featured image was captured about two weeks ago above LyngseidtNorway.


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Re:NASA pics

Date Posted:09/02/2025 9:16 AMCopy HTML

Wow amazing Rocky x

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Re:NASA pics

Date Posted:09/02/2025 8:28 AMCopy HTML

2025 February 9
A flat landscape is shown at night that appears mostly
brown. Numerous unusual rock spires are seen rising from the 
group. Above, a full star field is seen with the arch of our 
Milky Way Galaxy curving from left to right. 
Please see the explanation for more detailed information.

Milky Way over the Australian Pinnacles
Image Credit & Copyright: Michael Goh

Explanation: What strange world is this? Earth. In the foreground of the featured image are the Pinnacles, unusual rock spires in Nambung National Park in Western Australia. Made of ancient sea shells (limestone), how these human-sized picturesque spires formed remains unknown. In the background, just past the end of the central Pinnacle, is a bright crescent Moon. The eerie glow around the Moon is mostly zodiacal light, sunlight reflected by dust grains orbiting between the planets in the Solar System. Arching across the top is the central band of our Milky Way Galaxy. Many famous stars and nebulas are also visible in the background night sky. The featured 29-panel panorama was taken and composed in 2015 September after detailed planning that involved the Moon, the rock spires, and their corresponding shadows. Even so, the strong zodiacal light was a pleasant surprise.


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Re:NASA pics

Date Posted:08/02/2025 7:47 AMCopy HTML

Amazing Rocky thank you x

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