APOD: 2023 June 8 - Elephant's Trunk and Caravan Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 8 Elephant's Trunk and Caravan Image Credit &Copyright: SteveCannistra(StarryWonders) Explanation: Like an illustration in a galacticJust So Story,the Elephant's Trunk Nebulawinds through the emission region and young star clustercomplex IC 1396, in the high and far offconstellationof Cepheus.Seen on the left the cosmic elephant's trunk,also known as vdB 142, is over 20 light-years long.This detailed telescopic view features the bright swept-backridges and pockets of coolinterstellardust and gas that abound in the region.But thedark, tendril-shaped cloudscontain the raw material for star formation and hideprotostars within.Nearly 3,000light-yearsdistant, the relatively faint IC 1396 complexcovers a large region on the sky, spanning over 5 degrees.This renditionspans a 1 degree wide field of view though,about the angular size of 2 full moons.Of coursethe dark shapes below and to the right of the outstretched Elephant'sTrunk, are known to some as The Caravan. Tomorrow's picture: pixels in space<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA...

APOD: 2023 June 9 - Pandora's Cluster of Galaxies Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 9 Pandora's Cluster of Galaxies Image Credit:NASA,ESA,CSA,Ivo Labbe (Swinburne), Rachel Bezanson (University of Pittsburgh),Processing: Alyssa Pagan (STScI) Explanation: This deep field mosaicked imagepresents a stunning view of galaxy cluster Abell 2744 recorded bythe James Webb Space Telescope's NIRCam.Also dubbed Pandora's Cluster, Abell 2744 itselfappears to be a ponderous merger of three different massive galaxyclusters.It lies some 3.5 billion light-years away, toward the constellation Sculptor.Dominated by dark matter,the mega-cluster warps and distortsthe fabric of spacetime,gravitationally lensingeven more distant objects.Redder than the Pandora cluster galaxiesmany of the lensed sources are very distant galaxies in the earlyUniverse, their lensed images stretched and distorted into arcs.Of course distinctivediffraction spikes mark foreground Milky Waystars.At the Pandora Cluster's estimateddistance this cosmic box spans about 6 million light-years.But don't panic.You can explore the tantalizing region in a2 minute video tour. Tomorrow's picture: light-weekend<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 10 Mars and the Beehive Image Credit &Copyright:Rolando Ligustri Explanation: This month, bright Mars and brilliant Venusare the prominent celestial beacons inplanet Earth's western skies after sunset.Wandering through the constellation Cancer the Crab, the Red Planet wascaptured hereon the evening of June 3 near the stars ofopen cluster Messier 44.Recognized since antiquity this nearby, naked-eye star cluster is also knownas the Praesepe or the Beehive cluster.A swarm of stars all much younger than the Sun, the Beehive cluster isa mere 600 light-years distant.Seen with a yellowish hue, Mars is about 17 light-minutes away.On June 12/13 Venuswill take its turn posing next to the stars ofthe Beehive cluster.But the dazzling light of Venus will make the Beehive starsdifficult to see by eye alone. Tomorrow's picture: the spectrum of the Sun<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech. U.

APOD: 2023 June 8 - Elephant s Trunk and Caravan Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 8 Elephant's Trunk and Caravan Image Credit &Copyright: SteveCannistra(StarryWonders) Explanation: Like an illustration in a galacticJust So Story,the Elephant's Trunk Nebulawinds through the emission region and young star clustercomplex IC 1396, in the high and far offconstellationof Cepheus.Seen on the left the cosmic elephant's trunk,also known as vdB 142, is over 20 light-years long.This detailed telescopic view features the bright swept-backridges and pockets of coolinterstellardust and gas that abound in the region.But thedark, tendril-shaped cloudscontain the raw material for star formation and hideprotostars within.Nearly 3,000light-yearsdistant, the relatively faint IC 1396 complexcovers a large region on the sky, spanning over 5 degrees.This renditionspans a 1 degree wide field of view though,about the angular size of 2 full moons.Of coursethe dark shapes below and to the right of the outstretched Elephant'sTrunk, are known to some as The Caravan. Tomorrow's picture: pixels in space<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 9 Pandora's Cluster of Galaxies Image Credit:NASA,ESA,CSA,Ivo Labbe (Swinburne), Rachel Bezanson (University of Pittsburgh),Processing: Alyssa Pagan (STScI) Explanation: This deep field mosaicked imagepresents a stunning view of galaxy cluster Abell 2744 fromthe James Webb Space Telescope's NIRCam.Also dubbed Pandora's Cluster, Abell 2744 itselfappears to be a ponderous merger of three different massive galaxy clusterssome 3.5 billion light-years away toward the constellation Sculptor.Dominated by dark matter,the mega-cluster warps and distortsthe fabric of spacetime,gravitationally lensingeven more distant objects.Redder than the Pandora cluster galaxiesmany of the lensed sources are very distant galaxies in the earlyUniverse, stretched and distorted into arcs.Of course distinctivediffraction spikes mark foreground Milky Waystars.At the Pandora Cluster's estimateddistance this cosmic box spans about 6 million light-years.But don't panic.You can explore the tantalizing region in a2 minute video tour. Tomorrow's picture: light-weekend<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech. U.

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 8 Elephant's Trunk and Caravan Image Credit &Copyright: SteveCannistra(StarryWonders) Explanation: Like an illustration in a galacticJust So Story,the Elephant's Trunk Nebulawinds through the emission region and young star clustercomplex IC 1396, in the high and far offconstellationof Cepheus.Seen on the left the cosmic elephant's trunk,also known as vdB 142, is over 20 light-years long.This detailed telescopic view features the bright swept-backridges and pockets of coolinterstellardust and gas that abound in the region.But thedark, tendril-shaped cloudscontain the raw material for star formation and hideprotostars within.Nearly 3,000light-yearsdistant, the relatively faint IC 1396 complexcovers a large region on the sky, spanning over 5 degrees.This renditionspans a 1 degree wide field of view though,about the angular size of 2 full moons.Of coursethe dark shapes below and to the right of the outstretched Elephant'sTrunk, are known to some as The Caravan. Tomorrow's picture: pixels in space<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important...

APOD: 2023 June 2 - Messier 101 Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 2 Messier 101 Image Credit: NASA,ESA,CFHT,NOAO;Acknowledgement -K.Kuntz (GSFC),F.Bresolin (U.Hawaii),J.Trauger (JPL),J.Mould (NOAO),Y.-H.Chu (U. Illinois) Explanation: Big, beautiful spiral galaxy M101 is one of the last entries inCharles Messier'sfamous catalog, but definitely notone of the least.About 170,000 light-years across, this galaxy is enormous, almosttwice the size of our own Milky Way.M101 was also one of the originalspiral nebulaeobserved by Lord Rosse's large 19th century telescope, theLeviathanof Parsontown.Assembled from 51 exposures recorded by theHubble Space Telescopein the 20th and 21stcenturies, with additional data from ground based telescopes,this mosaic spans about 40,000 light-years across the central regionof M101 in one of the highest definitionspiral galaxy portraits ever released from Hubble.The sharp image shows stunning featuresof the galaxy's face-on disk of stars and dust along withbackground galaxies, some visible right through M101 itself.Also known as thePinwheel Galaxy, M101lies within the boundaries of the northern constellationUrsa Major, about 25 million light-years away. Tomorrow's picture: Portrait of Charon<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU)...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 3 Charon: Moon of Pluto Image Credit: NASA,Johns Hopkins Univ./APL,Southwest Research Institute,U.S. Naval Observatory Explanation: A darkened and mysterious north polar regionknown to some asMordor Macula caps this premier high-resolution view.Theportrait of Charon, Pluto's largest moon,was captured by New Horizons near the spacecraft's closestapproach on July 14, 2015.The combined blue, red,and infrared data was processed to enhance colorsand follow variations in Charon's surface propertieswith a resolution of about 2.9 kilometers (1.8 miles).A stunning image of Charon's Pluto-facing hemisphere, it alsofeatures a clear view of an apparentlymoon-girdling belt offractures and canyons that seems toseparate smooth southern plains from varied northern terrain.Charon is 1,214 kilometers (754 miles) across.That's about 1/10th the size of planet Earthbut a whopping 1/2 the diameter ofPlutoitself, and makes it the largest satellite relative to itsparent body in the Solar System.Still, the moon appears as a small bump at about the 1 o'clock positionon Pluto's disk in the grainy, negative,telescopic picture insetat upper left.That view was used by James Christy and Robert Harringtonat the U.S. Naval Observatory in...

APOD: 2023 June 1 - Recycling Cassiopeia A Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 1 Recycling Cassiopeia A Image Credit: X-ray -NASA,CXC, SAO;Optical -NASA,STScI Explanation: Massive stars in our Milky Way Galaxy live spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnacesignite and create heavy elements in their cores.After a few million years, theenriched material is blastedback into interstellar space where star formation can begin anew.The expanding debris cloud known as Cassiopeia A is an exampleof this final phase of the stellar life cycle.Light from the explosion which created this supernova remnantwould have been firstseen in planet Earth's skyabout 350 years ago,although it took that light about 11,000 years to reach us.This false-color image, composed of X-ray and optical image datafrom the Chandra X-ray Observatory and Hubble Space Telescope,shows the still hot filaments and knots in the remnant.It spans about 30 light-years at the estimated distance of Cassiopeia A.High-energy X-ray emission from specific elements has been color coded,silicon in red, sulfur in yellow, calcium in greenand iron in purple, to helpastronomers explorethe recycling of our galaxy'sstar stuff.Still expanding, the outer...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 June 2 Messier 101 Image Credit: NASA,ESA,CFHT,NOAO;Acknowledgement -K.Kuntz (GSFC),F.Bresolin (U.Hawaii),J.Trauger (JPL),J.Mould (NOAO),Y.-H.Chu (U. Illinois) Explanation: Big, beautiful spiral galaxy M101 is one of the last entries inCharles Messier'sfamous catalog, but definitely notone of the least.About 170,000 light-years across, this galaxy is enormous, almosttwice the size of our own Milky Way.M101 was also one of the originalspiral nebulaeobserved by Lord Rosse's large 19th century telescope, theLeviathanof Parsontown.Assembled from 51 exposures recorded by theHubble Space Telescopein the 20th and 21stcenturies, with additional data from ground based telescopes,this mosaic spans about 40,000 light-years across the central regionof M101 in one of the highest definitionspiral galaxy portraits ever released from Hubble.The sharp image shows stunning featuresof the galaxy's face-on disk of stars and dust along withbackground galaxies, some visible right through M101 itself.Also known as thePinwheel Galaxy, M101lies within the boundaries of the northern constellationUrsa Major, about 25 million light-years away. Tomorrow's picture: Portrait of Charon<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell...

APOD: 2023 May 26 - Virgo Cluster Galaxies Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 26 Virgo Cluster Galaxies Image Credit &Copyright: Abdullah Alharbi Explanation: Galaxies of the Virgo Clusterare scattered across this nearly 4 degree widetelescopic field of view.About 50 million light-years distant, the Virgo Cluster is theclosest large galaxy cluster to our own local galaxy group.Prominent here are Virgo's bright elliptical galaxiesMessier catalog,M87 at bottom center, and M84 and M86 (top to bottom)near top left.M84 and M86 are recognized as part ofMarkarian's Chain,a visually striking line-up of galaxies on theleft side of this frame.Near the middle of the chain lies an intriguing interacting pair of galaxies,NGC 4438 and NGC 4435,known to some as Markarian's Eyes.Of course giant elliptical galaxy M87dominates the Virgo cluster.It's the home of a super massive black hole,the first black hole ever imaged by planet Earth'sEvent Horizon Telescope. Tomorrow's picture: Crescent Neptune and Triton<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA...

Gliding through the outer

APOD: 2023 May 25 - Cat s Eye Wide and Deep Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 25 Cat's Eye Wide and Deep Image Credit &Copyright:Jean-François Bax,Guillaume Gruntz Explanation: The Cat'sEye Nebula (NGC 6543) is one of the best knownplanetary nebulae in the sky.Its morefamiliar outlines are seen in the brightercentral region ofthe nebula in this impressive wide-angle view.But this wide and deep image combiningdata from two telescopes also revealsits extremely faint outer halo.At an estimated distance of 3,000 light-years, thefaint outer halo is over 5 light-years across.Planetary nebulae have long been appreciated as a final phasein the life of a sun-like star.More recently, some planetary nebulae are found tohave halos likethis one, likely formed of material shrugged off duringearlier episodes in the star's evolution.While the planetary nebula phaseis thought to last for around 10,000 years,astronomers estimate the age of the outer filamentary portionsof this halo to be 50,000 to 90,000 years.Visible on the right, some 50 million light-years beyondthe watchful planetary nebula, lies spiral galaxy NGC 6552. Tomorrow's picture: Virgo Cluster Galaxies <| Archive| Submissions | Index| Search| Calendar| RSS|...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 26 Virgo Cluster Galaxies Image Credit &Copyright: Abdullah Alharbi Explanation: Galaxies of the Virgo Clusterare scattered across this nearly 4 degree widetelescopic field of view.About 50 million light-years distant, the Virgo Cluster is theclosest large galaxy cluster to our own local galaxy group.Prominent here are Virgo's bright elliptical galaxiesMessier catalog,M87 at bottom center, and M84 and M86 (top to bottom)near top left.M84 and M86 are recognized as part ofMarkarian's Chain,a visually striking line-up of galaxies on theleft side of this frame.Near the middle of the chain lies an intriguing interacting pair of galaxies,NGC 4438 and NGC 4435,known to some as Markarian's Eyes.Of course giant elliptical galaxy M87dominates the Virgo cluster.It's the home of a super massive black hole,the first black hole ever imaged by planet Earth'sEvent Horizon Telescope. Tomorrow's picture: Crescent Neptune and Triton<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech....

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 25 Cat's Eye Wide and Deep Image Credit &Copyright:Jean-François Bax,Guillaume Gruntz Explanation: The Cat'sEye Nebula (NGC 6543) is one of the best knownplanetary nebulae in the sky.Its morefamiliar outlines are seen in the brightercentral region ofthe nebula in this impressive wide-angle view.But this wide and deep image combiningdata from two telescopes also revealsits extremely faint outer halo.At an estimated distance of 3,000 light-years, thefaint outer halo is over 5 light-years across.Planetary nebulae have long been appreciated as a final phasein the life of a sun-like star.More recently, some planetary nebulae are found tohave halos likethis one, likely formed of material shrugged off duringearlier episodes in the star's evolution.While the planetary nebula phaseis thought to last for around 10,000 years,astronomers estimate the age of the outer filamentary portionsof this halo to be 50,000 to 90,000 years.Visible on the right, some 50 million light-years beyondthe watchful planetary nebula, lies spiral galaxy NGC 6552. Tomorrow's picture: Virgo Cluster Galaxies <| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors...

APOD: 2023 May 19 - Curly Spiral Galaxy M63 Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 19 Curly Spiral Galaxy M63 Image Credit &Copyright: Sophie Paulin,Jens Unger,Jakob Sahner Explanation: A bright spiral galaxy of the northern sky,Messier 63is nearby,about 30 million light-years distant toward the loyal constellationCanes Venatici.Also cataloged as NGC 5055, the majesticisland universeis nearly 100,000 light-years across, about the sizeof our own Milky Way.Its bright coreand majesticspiral arms lend the galaxyits popular name, The Sunflower Galaxy.This exceptionally deep exposure also followsfaint, arcing star streams far into the galaxy'shalo.Extending nearly 180,000 light-years from the galactic center, the star streams are likely remnants oftidally disruptedsatellites of M63.Other satellite galaxies of M63 can be spotted inthe remarkable wide-field image,including faintdwarf galaxies,which could contribute to M63's star streams in the next few billionyears. Tomorrow's picture: Galileo's Europa<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech. U.

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 20 Galileo's Europa Image Credit: NASA,JPL-Caltech,SETI Institute,Cynthia Phillips,Marty Valenti Explanation: Looping through the Jovian system in the late 1990s, theGalileo spacecraftrecorded stunning views of Europa and uncoveredevidence that the moon's icy surface likely hidesa deep, global ocean.Galileo's Europa image data has beenremastered here, with improved calibrations to produce acolor image approximating what the human eye might see.Europa's long curving fractureshintat the subsurface liquid water. The tidal flexingthe large moon experiences in its elliptical orbitaround Jupiter supplies the energy to keep the ocean liquid.But moretantalizing is the possibilitythat even in theabsence of sunlight that process could also supply the energy tosupport life,making Europaone of the best places to look for lifebeyond Earth.What kind of life could thrive in a deep, dark, subsurface ocean?Consider planet Earth's ownextreme shrimp. Tomorrow's picture: almost alien<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech. U.

APOD: 2023 May 18 - WR 134 Ring Nebula Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 18 WR 134 Ring Nebula Image Credit &Copyright:Craig Stocks Explanation: Made with narrowband filters, thiscosmic snapshotcovers a field of view aboutthe size of the full Moon within theboundaries of the constellation Cygnus.It highlights the bright edge of a ring-like nebula traced by theglow of ionizedsulfur, hydrogen, and oxygen gas.Embedded in the region's interstellarclouds of gas and dust,the complex, glowing arcs are sections of bubbles or shells ofmaterial swept up by the wind fromWolf-Rayet star WR 134,brightest star near the center of the frame.Distance estimates put WR 134 about 6,000 light-years away, makingthe frame over 50 light-years across.Sheddingtheir outer envelopes in powerful stellar winds,massive Wolf-Rayet stars have burned through their nuclear fuel at aprodigiousrateand end this final phase of massive star evolution ina spectacular supernova explosion.The stellar winds and final supernovae enrich the interstellarmaterial with heavy elementsto be incorporated infuture generations of stars. Tomorrow's picture: curly spiral galaxy <| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry...

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 19 Curly Spiral Galaxy M63 Image Credit &Copyright: Sophie Paulin,Jens Unger,Jakob Sahner Explanation: A bright spiral galaxy of the northern sky,Messier 63is nearby,about 30 million light-years distant toward the loyal constellationCanes Venatici.Also cataloged as NGC 5055, the majesticisland universeis nearly 100,000 light-years across, about the sizeof our own Milky Way.Its bright coreand majesticspiral arms lend the galaxyits popular name, The Sunflower Galaxy.This exceptionally deep exposure also followsfaint, arcing star streams far into the galaxy'shalo.Extending nearly 180,000 light-years from the galactic center, the star streams are likely remnants oftidally disruptedsatellites of M63.Other satellite galaxies of M63 can be spotted inthe remarkable wide-field image,including faintdwarf galaxies,which could contribute to M63's star streams in the next few billionyears. Tomorrow's picture: Galileo's Europa<| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip NewmanSpecific rights apply.NASA WebPrivacy Policy and Important NoticesA service of:ASD atNASA /GSFC& Michigan Tech. U.

Astronomy Picture of the Day Discover the cosmos!Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer. 2023 May 18 WR 134 Ring Nebula Image Credit &Copyright:Craig Stocks Explanation: Made with narrowband filters, thiscosmic snapshotcovers a field of view aboutthe size of the full Moon within theboundaries of the constellation Cygnus.It highlights the bright edge of a ring-like nebula traced by theglow of ionizedsulfur, hydrogen, and oxygen gas.Embedded in the region's interstellarclouds of gas and dust,the complex, glowing arcs are sections of bubbles or shells ofmaterial swept up by the wind fromWolf-Rayet star WR 134,brightest star near the center of the frame.Distance estimates put WR 134 about 6,000 light-years away, makingthe frame over 50 light-years across.Sheddingtheir outer envelopes in powerful stellar winds,massive Wolf-Rayet stars have burned through their nuclear fuel at aprodigiousrateand end this final phase of massive star evolution ina spectacular supernova explosion.The stellar winds and final supernovae enrich the interstellarmaterial with heavy elementsto be incorporated infuture generations of stars. Tomorrow's picture: curly spiral galaxy <| Archive| Submissions | Index| Search| Calendar| RSS| Education| About APOD| Discuss| > Authors & editors: Robert Nemiroff(MTU) &Jerry Bonnell (UMCP)NASA Official: Phillip...