Bumps in the Heavens: Wide-field View of Galaxy NGC 7727 | ESO

Bumps in the Heavens: Wide-field View of Galaxy NGC 7727 | ESO

Just as people at a busy crossroad may accidentally bump into each other, so too can galaxies in the Universe! However, in this case, the outcome is more dramatic than a small nudge. When two galaxies clash, they merge into each other, giving birth to a new, bigger one. One example is the NGC 7727 galaxy, shown in this image from the European Southern Observatory’s VLT Survey Telescope (VST) in Chile.

Located 89 million light-years away from Earth in the constellation Aquarius, NGC 7727 is believed to be the result of a clash between two galaxies that occurred about one billion years ago. The consequences of this tremendous cosmic bump are still evident in the peculiar, irregular shape of NGC 7727 and the streams of stars in its outer regions. 

The image was taken in visible light as part of the VST-ATLAS survey. The goal of the survey is to map a vast region of the Southern Sky—so large you could fit about 19,000 full moons in it! By studying the galaxies in this region, astronomers aim to shed new light on the nature of dark energy, the mysterious force permeating the Universe and causing its accelerating expansion.

Credit: European Southern Observatory (ESO)/VST ATLAS team

Acknowledgement: Durham University/CASU/WFAU

Release Date: November 29, 2021

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Journey to the Closest Pair of Supermassive Black Holes in Galaxy NGC 7727 | ESO

Journey to the Closest Pair of Supermassive Black Holes in Galaxy NGC 7727 | ESO

This video takes us to NGC 7727, a galaxy located 89 million light-years away from Earth in the constellation Aquarius and home to the closest pair of supermassive black holes found to date. The pair is also the one with the smallest separation between two supermassive black holes—observed to be just 1,600 light-years apart in the sky.

Each of the two black holes is located at the center of one of the two bright nuclei in NGC 7727 visible in the final part of the video. The two black holes are on a collision course, doomed to crash together and merge into one giant black hole probably within the next 250 million years.

The close-up view of the central region of NGC 7727 and its two nuclei was taken with the MUSE instrument on the European Southern Observatory’s Very Large Telescope (VLT) at the Paranal Observatory in Chile.

Credit: European Southern Observatory (ESO)/L. Calçada ; N. Risinger; Digitized Sky Survey 2; VST ATLAS team; Voggel et al.

Duration: 50 seconds

Release Date: November 30, 2021

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Nearest Pair of Supermassive Black Holes in Galaxy NGC 7727: Close-up View | ESO

Nearest Pair of Supermassive Black Holes in Galaxy NGC 7727: Close-up View | ESO

Close-up view of the two bright galactic nuclei, each housing a supermassive black hole, in NGC 7727, a galaxy located 89 million light-years away from Earth in the constellation Aquarius. Each nucleus consists of a dense group of stars with a supermassive black hole at its center. The two black holes are on a collision course and form the closest pair of supermassive black holes found to date. It is also the pair with the smallest separation between two supermassive black holes—observed just 1,600 light-years apart in the sky.  

The image was taken with the MUSE instrument on ESO’s Very Large Telescope (VLT) at the Paranal Observatory in Chile.

Credit: European Southern Observatory (ESO)/Voggel et al.

Release Date: November 30, 2021

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The Spectacular Galactic Dance of NGC 7727 | ESO

The Spectacular Galactic Dance of NGC 7727 | ESO

The galaxy NGC 7727 was born from the merger of two galaxies that started around a billion years ago. The cosmic dance of the two galaxies has resulted in the spectacular wispy shape of NGC 7727. At the heart of the galaxy, two supermassive black holes are spiralling closer to each other, expected to merge within 250 million years, the blink of an eye in astronomical time. This image of NGC 7727 was captured by the FOcal Reducer and low dispersion Spectrograph 2 (FORS2) instrument at ESO’s Very Large Telescope (VLT). 

Distance: 90 million light years

Credit: European Southern Observatory (ESO)

Release Date: August 16, 2022

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NASA Artemis I Moon Rocket: Preflight | Kennedy Space Center

NASA Artemis I Moon Rocket: Preflight | Kennedy Space Center

NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Pad 39B as preparations for launch continue, Sunday, Aug. 28, 2022, at NASA’s Kennedy Space Center in Florida. NASA’s Artemis I flight test is the first integrated test of the agency’s deep space exploration systems: the Orion spacecraft, SLS rocket, and supporting ground systems. Launch of the uncrewed flight test is targeted for no earlier than Aug. 29 at 8:33 a.m. ET.

All about Artemis I:

https://www.nasa.gov/specials/artemis-i/

Image Credis: NASA/Bill Ingalls

Image Dates: August 28, 2022

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NASA Artemis I Moon Rocket: U.S. & Canadian Astronauts | Kennedy Space Center

NASA Artemis I Moon Rocket: U.S. & Canadian Astronauts | Kennedy Space Center

Astronauts and astronaut candidates from NASA and the Canadian Space Agency pose for photographs in front of NASA’s Artemis I Space Launch System and Orion spacecraft atop the mobile launcher on the pad at Launch Complex 39B on Aug. 28, 2022.

The astronauts are, from left to right: Christina Birch, NASA astronaut candidate; Joe Acaba, NASA astronaut; Don Pettit, NASA astronaut; Victor Glover, NASA astronaut; Jeremy Hansen, Canadian Space Agency astronaut; Jessica Meir, NASA astronaut; Stan Love, NASA astronaut; Jack Hathaway, NASA astronaut candidate; Shannon Walker, NASA astronaut; Andre Douglas, NASA astronaut candidate; Kate Rubins, NASA astronaut; Chris Williams, NASA astronaut candidate; Reid Wiseman, NASA astronaut; Stephanie Wilson, NASA astronaut; Jessica Wittner, NASA astronaut candidate; Zena Cardman, NASA astronaut; Joshua Kutryk, Canadian Space Agency astronaut; Randy Bresnik, NASA astronaut. 

The astronauts are, from left to right: Randy Bresnik, NASA astronaut; Joshua Kutryk, Canadian Space Agency astronaut; Zena Cardman, NASA astronaut; Jack Hathaway, NASA astronaut candidate; Christina Birch, NASA astronaut candidate; Reid Wiseman, NASA astronaut; Jessica Wittner, NASA astronaut candidate; Joe Acaba, NASA astronaut; Andre Douglas, NASA astronaut candidate; Kate Rubins, NASA astronaut; Jeremy Hansen, Canadian Space Agency astronaut; Stephanie Wilson, NASA astronaut; Jessica Meir, NASA astronaut; Don Pettit, NASA astronaut; Chris Williams, NASA astronaut candidate; Victor Glover, NASA astronaut; Shannon Walker, NASA astronaut; Stan Love, NASA astronaut. 

The astronauts are, from left to right: Christina Birch, NASA astronaut candidate; Joe Acaba, NASA astronaut; Don Pettit, NASA astronaut; Victor Glover, NASA astronaut; Jessica Meir, NASA astronaut; Jeremy Hansen, Canadian Space Agency astronaut; Stan Love, NASA astronaut; Jack Hathaway, NASA astronaut candidate; Shannon Walker, NASA astronaut; Andre Douglas, NASA astronaut candidate; Kate Rubins, NASA astronaut; Chris Williams, NASA astronaut candidate; Reid Wiseman, NASA astronaut; Stephanie Wilson, NASA astronaut; Jessica Wittner, NASA astronaut candidate; Zena Cardman, NASA astronaut; Joshua Kutryk, Canadian Space Agency astronaut; Randy Bresnik, NASA astronaut.

The astronauts are, from left to right: Randy Bresnik, NASA astronaut; Christina Birch, NASA astronaut candidate; Jessica Wittner, NASA astronaut candidate; Joshua Kutryk, Canadian Space Agency astronaut; Joe Acaba, NASA astronaut; Zena Cardman, NASA astronaut; Andre Douglas, NASA astronaut candidate; Shannon Walker, NASA astronaut; Reid Wiseman, NASA astronaut; Jessica Meir, NASA astronaut; Jack Hathaway, NASA astronaut candidate; Kate Rubins, NASA astronaut; Chris Williams, NASA astronaut candidate; Stephanie Wilson, NASA astronaut; Don Pettit, NASA astronaut; Stan Love, NASA astronaut; Jeremy Hansen, Canadian Space Agency astronaut; Victor Glover, NASA astronaut.

NASA’s Artemis I mission is the first integrated test of the agency’s deep space exploration systems: the Orion spacecraft, SLS rocket, and supporting ground systems. Launch of the uncrewed flight test is targeted for no earlier than August 29, 2022.

All about Artemis I:

https://www.nasa.gov/specials/artemis-i/

Image Credit: NASA/Kim Shiflett

Image Date: August 28, 2022

#NASA #CSA #Space #Moon #Artemis #ArtemisI #Orion #Spacecraft #SLS #NASASLS #SpaceLaunchSystem #Rocket #DeepSpace #Astronauts #MoonToMars #Science #Engineering #Technology #Exploration #SolarSystem #KennedySpaceCenter #Florida #UnitedStates #Canada #ArtemisGeneration #STEM #Education

NASA's Artemis I Moon Rocket: U.S. & Canadian Astronauts | Kennedy Space Center

NASA's Artemis I Moon Rocket: U.S. & Canadian Astronauts | Kennedy Space Center

Astronauts and astronaut candidates pose for a photo at the Launch Pad 39B after arriving in their T-38 jets in support of Artemis I launch operations at NASA's Kennedy Space Center in Florida. From Left: Canadian Space Agency Astronaut Jeremy Hansen, NASA Astronauts Drew Morgan, Christina Koch, NASA Astronaut Candidates Nicole Ayers, Jack Hathaway, NASA Astronauts Reid Wiseman, Zena Cardman, NASA Pilot Chris Condon, NASA Astronaut Joe Acaba. 

NASA’s Artemis I mission is the first integrated test of the agency’s deep space exploration systems: the Orion spacecraft, Space Launch System (SLS) rocket, and supporting ground systems. Launch of the uncrewed flight test is targeted for no earlier than August 29, 2022.

All about Artemis I:

https://www.nasa.gov/specials/artemis-i/

Credit: NASA/Josh Valcarcel

Image Date: August 22, 2022

#NASA #CSA #Space #Moon #Artemis #ArtemisI #Orion #Spacecraft #SLS #NASASLS #SpaceLaunchSystem #Rocket #DeepSpace #Astronauts #MoonToMars #Science #Engineering #Technology #Exploration #SolarSystem #KennedySpaceCenter #Florida #UnitedStates #Canada #ArtemisGeneration #STEM #Education

NASA's Artemis I Moon Rocket: Preflight | Kennedy Space Center

NASA's Artemis I Moon Rocket: Preflight | Kennedy Space Center

NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Pad 39B at NASA’s Kennedy Space Center (KSC) in Florida. NASA’s Artemis I mission is the first integrated test of the agency’s deep space exploration systems: the Orion spacecraft, SLS rocket, and supporting ground systems. Launch of the uncrewed flight test is targeted for no earlier than Aug. 29, 2022.

All about Artemis I:

https://www.nasa.gov/specials/artemis-i/

Image Credits: NASA/Joel Kowsky/Kim Shiflett/Frank Michaux, ESA-A. Conigli, ULA

Image Dates: August 18-27, 2022

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NASA's Artemis I Moon Rocket: Vehicle Assembly Building | Kennedy Space Center

NASA's Artemis I Moon Rocket in Vehicle Assembly Building | Kennedy Space Center

The mobile launcher with NASA’s Space Launch System (SLS) rocket and Orion spacecraft aboard is seen inside the Vehicle Assembly Building (VAB) before it was rolled out to Launch Complex 39B for launch, Tuesday, Aug. 16, 2022, at NASA’s Kennedy Space Center (KSC) in Florida. 

As part of the agency’s Artemis I flight test, the fully stacked and integrated SLS rocket and Orion spacecraft is scheduled to liftoff on Monday, Aug. 29, 2022. 

The first in a series of increasingly complex missions, Artemis I will provide a foundation for human deep space exploration and demonstrate our commitment and capability to extend human presence to the Moon and beyond. The primary goal of Artemis I is to thoroughly test the integrated systems before crewed missions by launching Orion atop the SLS rocket, operating the spacecraft in a deep space environment, testing Orion’s heat shield, and recovering the crew module after reentry, descent, and splashdown.

All about Artemis I:

https://www.nasa.gov/specials/artemis-i/

Image Credits: NASA/Ben Smegelsky/Kim Shiflett

Image Capture Dates: Aug. 3-16, 2022

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Starburst Galaxy NGC 1569: Wide-field View | Hubble

Starburst Galaxy NGC 1569: Wide-field View | Hubble

This image taken by NASA/European Space Agency Hubble Space Telescope showcases the brilliant core of one of the most active galaxies in our local neighborhood. The entire core is 5,000 light-years wide.

Distance: 11 million light years

The galaxy, called NGC 1569, sparkles with the light from millions of newly formed young stars. NGC 1569 is pumping out stars at a rate that is 100 times faster than the rate observed in our Milky Way Galaxy. This frenzied pace has been almost continuous for the past 100 million years.

The core's centrepiece is a grouping of three giant star clusters, each containing more than a million stars. (Two of the clusters are so close they appear as one grouping.) The clusters reside in a large, central cavity. The gas in the cavity has been blown out by the multitude of massive, young stars that already exploded as supernovae. These explosions also triggered a violent flow of gas and particles that is sculpting giant gaseous structures. The sculpted structure at lower right is about 3,700 light-years long.

Huge bubbles of gas, such as the two at left, appear like floating islands. The largest bubble is about 378 light-years wide and the smallest 119 light-years wide. They are being illuminated by the radiation from the bright, young stars within them. Some of those stars are peaking through their gaseous cocoons.

The biggest and brightest objects surrounding the core are stars scattered throughout our Milky Way Galaxy. In contrast, the thousands of tiny white dots in the image are stars in the halo of NGC 1569. The galaxy is 11 million light-years from Earth.

A new analysis of NGC 1569 shows that it is one and a half times farther from Earth than astronomers previously thought. The extra distance places the galaxy in the middle of a group of about 10 galaxies centered on the spiral galaxy IC 342. Gravitational interactions among the group's galaxies may be compressing gas in NGC 1569 and igniting the star-birthing frenzy.

Hubble's Wide Field Planetary Camera 2 and Advanced Camera for Surveys made the observations of NGC 1569 in September 1999, November 2006, and January 2007.

Credit for Advanced Camera Data: NASA, European Space Agency (ESA), A. Aloisi (STScI/ESA), J. Mack and A. Grocholski (STScI), M. Sirianni (STScI/ESA), R. van der Marel (STScI), L. Angeretti, D. Romano, and M. Tosi (INAF-OAB), and F. Annibali, L. Greggio, and E. Held (INAF-OAP)

Credit for Wide Field Planetary Camera 2 Data: NASA, ESA, P. Shopbell (California Institute of Technology), R. Dufour (Rice University), D. Walter (South Carolina State University, Orangeburg), and A. Wilson (University of Maryland, College Park)

Release Date: November 20, 2008

#NASA #ESA #Astronomy #Hubble #Space #Science #Galaxy #DwarfGalaxy #NGC1569 #Stars #StarClusters #Supernovae #Camelopardalis #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education

Bursting at the Seams: Starburst Galaxy NGC 1569 | Hubble

Bursting at the Seams: Starburst Galaxy NGC 1569 | Hubble

This NASA/European Space Agency Hubble Space Telescope image reveals the iridescent interior of one of the most active galaxies in our local neighborhood—NGC 1569, a small galaxy located about eleven million light-years away in the constellation of Camelopardalis (The Giraffe).

Distance: 11 million light years

This galaxy is currently a hotbed of vigorous star formation. NGC 1569 is a starburst galaxy, meaning that—as the name suggests—it is bursting at the seams with stars, and is currently producing them at a rate far higher than that observed in most other galaxies. For almost 100 million years, NGC 1569 has pumped out stars over 100 times faster than the Milky Way!

As a result, this glittering galaxy is home to super star clusters, three of which are visible in this image—one of the two bright clusters is actually  the superposition of two massive clusters. Each containing more than a million stars, these brilliant blue clusters reside within a large cavity of gas carved out by multiple supernovae, the energetic remnants of massive stars.

In 2008, Hubble observed the galaxy's cluttered core and sparsely populated outer fringes. By pinpointing individual red giant stars, Hubble’s Advanced Camera for Surveys enabled astronomers to calculate a new—and much more precise—estimate for NGC 1569’s distance. This revealed that the galaxy is actually one and a half times further away than previously thought, and a member of the IC 342 galaxy group.

Astronomers suspect that the IC 342 cosmic congregation is responsible for the star-forming frenzy observed in NGC 1569. Gravitational interactions between this galactic group are believed to be compressing the gas within NGC 1569. As it is compressed, the gas collapses, heats up and forms new stars.

Credit: European Space Agency (ESA)/Hubble & NASA, Aloisi, Ford

Acknowledgement: Judy Schmidt (Geckzilla)

Release Date: June 27, 2016

#NASA #ESA #Astronomy #Space #Science #Galaxy #DwarfGalaxy #NGC1569 #Stars #StarClusters #Supernovae #Camelopardalis #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education

Pan over Starburst Galaxy NGC 1569 | Hubble

Pan over Starburst Galaxy NGC 1569 | Hubble

The nearby dwarf galaxy NGC 1569 is a hotbed of vigorous star birth activity which blows huge bubbles and super-bubbles that riddle the main body of the galaxy. The galaxy's vigorous star factories are also manufacturing brilliant blue star clusters. This galaxy had a sudden and relatively recent onset of star birth 25 million years ago, which subsided about the time the very earliest human ancestors appeared on Earth.

In this image, taken with the NASA/European Space Agency Hubble Space Telescope, the bubble structure is sculpted by the galactic super-winds and outflows caused by a colossal input of energy from collective supernova explosions that are linked with a massive episode of star birth.The bubble-like structures seen in this image are made of hydrogen gas that glows when hit by the fierce winds and radiation from hot young stars and is racked by supernovae shocks. The first supernovae blew up when the most massive stars reached the end of their lifetimes roughly 20-25 million years ago. The environment in NGC 1569 is still turbulent and the supernovae may not only deliver the gaseous raw material needed for the formation of further stars and star clusters, but also actually trigger their birth in the tortured swirls of gas.

Credit: European Space Agency (ESA)/Hubble (M. Kornmesser & L. L. Christensen)

Duration: 24 seconds

Release Date: Oct 24, 2017

#NASA #ESA #Astronomy #Space #Science #Galaxy #DwarfGalaxy #NGC1569 #Stars #StarClusters #Supernovae #Camelopardalis #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education #HD #Video

Zoom on Starburst Galaxy NGC 1569 | Hubble

Zoom on Starburst Galaxy NGC 1569 | Hubble

The nearby dwarf galaxy NGC 1569 is a hotbed of vigorous star birth activity which blows huge bubbles and super-bubbles that riddle the main body of the galaxy. The galaxy's vigorous star factories are also manufacturing brilliant blue star clusters. This galaxy had a sudden and relatively recent onset of star birth 25 million years ago, which subsided about the time the very earliest human ancestors appeared on Earth.

Credit: European Space Agency (ESA), NASA & Peter Anders (Gottingen University Galaxy Evolution Group, Germany)

Duration: 21 seconds

Release Date: October 24, 2017

#NASA #ESA #Astronomy #Space #Science #Galaxy #DwarfGalaxy #NGC1569 #Stars #StarClusters #Supernovae #Camelopardalis #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education #HD #Video

Supernova Blast Bonanza in Nearby Galaxy NGC 1569 | Hubble

Supernova Blast Bonanza in Nearby Galaxy NGC 1569 | Hubble

The nearby dwarf galaxy NGC 1569 is a hotbed of vigorous star birth activity which blows huge bubbles and super-bubbles that riddle the main body of the galaxy. The galaxy's vigorous "star factories" are also manufacturing brilliant blue star clusters. This galaxy had a sudden and relatively recent onset of star birth 25 million years ago, which subsided about the time the very earliest human ancestors appeared on Earth.

Distance: 11 million light years

In this image, taken with the NASA/European Space Agency Hubble Space Telescope, the bubble structure is sculpted by the galactic super-winds and outflows caused by a colossal input of energy from collective supernova explosions that are linked with a massive episode of star birth.

The bubble-like structures seen in this image are made of hydrogen gas that glows when hit by the fierce winds and radiation from hot young stars and is racked by supernovae shocks. The first supernovae blew up when the most massive stars reached the end of their lifetimes roughly 20-25 million years ago. The environment in NGC 1569 is still turbulent and the supernovae may not only deliver the gaseous raw material needed for the formation of further stars and star clusters, but also actually trigger their birth in the tortured swirls of gas.

Credit: European Space Agency (ESA), NASA & Peter Anders (Göttingen University Galaxy Evolution Group, Germany)

Release Date: February 3, 2004

#NASA #ESA #Astronomy #Space #Science #Galaxy #DwarfGalaxy #NGC1569 #Stars #StarClusters #Supernovae #Camelopardalis #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education

Zooming in on Binary Star AR Scorpii

Zooming in on Binary Star AR Scorpii

This zoom sequence takes the viewer from a wide-field view of the spectacular central parts of the Milky Way into the bright constellation of Scorpius (The Scorpion). The final view is centered on the exotic binary star AR Scorpii.

Distance: 400 light years

Credit: European Space Agency (ESA)/Hubble, Digitized Sky Survey 2, N, Risinger

Duration: 50 seconds

Release Date: July 27, 2016

#NASA #ESA #Astronomy #Space #Science #Star #BinaryStarSystem #ARScorpii #Scorpius #Constellation #MilkyWay #Galaxy #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education #HD #Video

Binary Star System AR Scorpii: Artist’s Impression Video | ESA

Binary Star System AR Scorpii: Artist’s Impression Video | ESA

This artist’s impression video shows the strange object AR Scorpii. In this unique double star a rapidly spinning white dwarf star powers electrons up to almost the speed of light. These high energy particles release blasts of radiation that lash the companion red dwarf star and cause the entire system to pulse dramatically every 1.97 minutes with radiation ranging from the ultraviolet to radio.

Credit: European Space Agency (ESA)/Hubble, L. Calçada, University of Warwick

Duration: 30 seconds

Release Date: July 27, 2016

#NASA #ESA #Astronomy #Space #Science #Star #BinaryStarSystem #ARScorpii #Scorpius #Constellation #MilkyWay #Galaxy #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #Art #ArtistImpression #STEM #Education #HD #Video