Dwarf Galaxies
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Astronomers Observe Black Hole Reactivate, Emitting Jets of Plasma
A supermassive black hole at the center of galaxy 1ES 1927+654 has been observed reactivating after a quiet period. Jets of hot gas were released from both sides of the black hole, surprising astronomers. Researchers speculate that a white dwarf star in close orbit may be interacting with the black hole, providing key insights into cosmic behavior....
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Five Dwarf Galaxies Found in a Rare Alignment, Challenges Current Cosmic Models
A rare alignment of five dwarf galaxies, positioned around 117 million light-years away, has been discovered by astronomers. This grouping, which challenges existing models of galaxy formation, shows active star formation despite their small sizes. The galaxies, labelled D1 to D5, exhibit unique characteristics, including shared rotational motion a...
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NSF NOIRLab's Dark Energy Camera Showcases Stunning View of Antlia Cluster’s Galaxies
The Antlia Cluster, located approximately 130 million light-years away in the Antlia constellation, has been imaged in remarkable detail by the Dark Energy Camera. This cluster, home to over 230 galaxies, features a variety of types including lenticular, irregular, and dwarf galaxies. Observations suggest that the two dominant elliptical galaxies, ...
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Astronomers Spot New Cosmic Explosions 100 Times Brighter Than the Sun
Astronomers have discovered a new class of cosmic explosions, known as 'millinovas,' which are 100 times brighter than the Sun. These events, first identified in 2023, were observed in the Large and Small Magellanic Clouds, two satellite galaxies of the Milky Way. The millinovas are thought to occur when white dwarfs feed off a companion star, prod...
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Hubble Space Telescope Captures Rare Edge-On View of a Spiral Galaxy Located Millions of Light-Years Away
NASA and ESA’s Hubble Space Telescope captured an edge-on view of spiral galaxy UGC 10043, located around 150 million light-years away. Displaying its prominent dust lanes and unique bulge, this galaxy image highlights regions of active star formation. Captured in 2000 and 2023, the composite image uses various light wavelengths to detail the str...
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Hubble Telescope Reveals Milky Way Blowing Gas off LMC Galaxy in Close Encounter
NASA’s Hubble Space Telescope has captured an extraordinary phenomenon as the Milky Way galaxy exerts ram pressure on the Large Magellanic Cloud (LMC), stripping away most of its gas halo. The interaction, which occurs as LMC passes near the Milky Way, has led to the loss of significant mass from the dwarf galaxy. Despite this, LMC retains enough...
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Cosmic Survey Reveals Surge of Black Holes in Dwarf Galaxies
A cosmic survey using the Dark Energy Spectroscopic Instrument has identified over 2,500 active black holes in dwarf galaxies, tripling previous estimates. Conducted by the University of Utah’s Ragadeepika Pucha, the research has also uncovered nearly 300 intermediate-mass black holes, quadrupling their known population. This milestone discovery ...
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Indian Scientists Find Dwarf Galaxy Radio Jet Interacting With Interstellar Gas
Scientists at the Indian Institute of Astrophysics (IIA), an autonomous institute of the Department of Science and Technology (DST), have discovered interaction between a radio jet from a dwarf galaxy and interstellar gas causing shock waves.
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A Third of Milky Way’s Planets Orbiting Most Common Stars Could Hold Water, Harbour Life: Study
One-third of the planets orbiting the most common stars across the Milky Way galaxy may hold onto liquid water and possibly harbour life, according to a study based on latest telescope data.
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Scientists Discover New Black Hole That Devoured Nearby Star In Neighbouring Galaxy
An undetected intermediate-mass black hole lurking in a dwarf galaxy revealed itself to astronomers when it devoured an unlucky star that got too close.
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NASA's James Webb Telescope Captures Striking Image Of Dwarf Galaxy
The Webb telescope used its near-infrared camera to capture stunning details.
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Pegasus V, Dwarf Galaxy Near Andromeda, Believed to Be One of the First Galaxies
A team of astronomers at the University of Surrey recently found an extremely faint, dwarf galaxy which, they believe, is one of the first galaxies packed with a very old star. The galaxy, monikered as Pegasus V, is located in the vicinity of the Andromeda galaxy. The “fossil” galaxy that the team discovered has a high concentration of old star...
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Dwarf Galaxies of Earth’s Second Closest Galaxy Cluster Devoid of Dark Matter Halos
In a study led by the University of Bonn and the University of Saint Andrews (Scotland), astronomers suggest that the dark matter halos are absent from the dwarf galaxies in the Fornax Cluster, the second closest galaxy cluster to Earth. The findings were published in the Monthly Notices of the Royal Astronomical Society.
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Distant Dwarf Galaxy Formation Spotted by Research Team With Indian Scholar
A research team including astronomers from the US, India and France have studied the formation of new stars beyond the visible boundaries. The team is yet to understand how the dwarf galaxies of the past have evolved into the ones in the present day. The team includes Indian scholar Anshuman Borgohain from Tezpur University.
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Distant Dwarf Galaxy Formation Spotted, Indian Researcher In Study Team
A first of its kind study has found new stars forming beyond the visible boundaries about 1.5 to 3.9 billion light years away from the Earth, according to an article by a research scholar of Tezpur University.
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Astronomers Observe Black Hole Reactivate, Emitting Jets of Plasma
A supermassive black hole at the center of galaxy 1ES 1927+654 has been observed reactivating after a quiet period. Jets of hot gas were released from both sides of the black hole, surprising astronomers. Researchers speculate that a white dwarf star in close orbit may be interacting with the black hole, providing key insights into cosmic behavior....
-
Five Dwarf Galaxies Found in a Rare Alignment, Challenges Current Cosmic Models
A rare alignment of five dwarf galaxies, positioned around 117 million light-years away, has been discovered by astronomers. This grouping, which challenges existing models of galaxy formation, shows active star formation despite their small sizes. The galaxies, labelled D1 to D5, exhibit unique characteristics, including shared rotational motion a...
-
NSF NOIRLab's Dark Energy Camera Showcases Stunning View of Antlia Cluster’s Galaxies
The Antlia Cluster, located approximately 130 million light-years away in the Antlia constellation, has been imaged in remarkable detail by the Dark Energy Camera. This cluster, home to over 230 galaxies, features a variety of types including lenticular, irregular, and dwarf galaxies. Observations suggest that the two dominant elliptical galaxies, ...
-
Astronomers Spot New Cosmic Explosions 100 Times Brighter Than the Sun
Astronomers have discovered a new class of cosmic explosions, known as 'millinovas,' which are 100 times brighter than the Sun. These events, first identified in 2023, were observed in the Large and Small Magellanic Clouds, two satellite galaxies of the Milky Way. The millinovas are thought to occur when white dwarfs feed off a companion star, prod...
-
Hubble Space Telescope Captures Rare Edge-On View of a Spiral Galaxy Located Millions of Light-Years Away
NASA and ESA’s Hubble Space Telescope captured an edge-on view of spiral galaxy UGC 10043, located around 150 million light-years away. Displaying its prominent dust lanes and unique bulge, this galaxy image highlights regions of active star formation. Captured in 2000 and 2023, the composite image uses various light wavelengths to detail the str...
-
Hubble Telescope Reveals Milky Way Blowing Gas off LMC Galaxy in Close Encounter
NASA’s Hubble Space Telescope has captured an extraordinary phenomenon as the Milky Way galaxy exerts ram pressure on the Large Magellanic Cloud (LMC), stripping away most of its gas halo. The interaction, which occurs as LMC passes near the Milky Way, has led to the loss of significant mass from the dwarf galaxy. Despite this, LMC retains enough...
-
Cosmic Survey Reveals Surge of Black Holes in Dwarf Galaxies
A cosmic survey using the Dark Energy Spectroscopic Instrument has identified over 2,500 active black holes in dwarf galaxies, tripling previous estimates. Conducted by the University of Utah’s Ragadeepika Pucha, the research has also uncovered nearly 300 intermediate-mass black holes, quadrupling their known population. This milestone discovery ...
-
Indian Scientists Find Dwarf Galaxy Radio Jet Interacting With Interstellar Gas
Scientists at the Indian Institute of Astrophysics (IIA), an autonomous institute of the Department of Science and Technology (DST), have discovered interaction between a radio jet from a dwarf galaxy and interstellar gas causing shock waves.
-
A Third of Milky Way’s Planets Orbiting Most Common Stars Could Hold Water, Harbour Life: Study
One-third of the planets orbiting the most common stars across the Milky Way galaxy may hold onto liquid water and possibly harbour life, according to a study based on latest telescope data.
-
Scientists Discover New Black Hole That Devoured Nearby Star In Neighbouring Galaxy
An undetected intermediate-mass black hole lurking in a dwarf galaxy revealed itself to astronomers when it devoured an unlucky star that got too close.
-
NASA's James Webb Telescope Captures Striking Image Of Dwarf Galaxy
The Webb telescope used its near-infrared camera to capture stunning details.
-
Pegasus V, Dwarf Galaxy Near Andromeda, Believed to Be One of the First Galaxies
A team of astronomers at the University of Surrey recently found an extremely faint, dwarf galaxy which, they believe, is one of the first galaxies packed with a very old star. The galaxy, monikered as Pegasus V, is located in the vicinity of the Andromeda galaxy. The “fossil” galaxy that the team discovered has a high concentration of old star...
-
Dwarf Galaxies of Earth’s Second Closest Galaxy Cluster Devoid of Dark Matter Halos
In a study led by the University of Bonn and the University of Saint Andrews (Scotland), astronomers suggest that the dark matter halos are absent from the dwarf galaxies in the Fornax Cluster, the second closest galaxy cluster to Earth. The findings were published in the Monthly Notices of the Royal Astronomical Society.
-
Distant Dwarf Galaxy Formation Spotted by Research Team With Indian Scholar
A research team including astronomers from the US, India and France have studied the formation of new stars beyond the visible boundaries. The team is yet to understand how the dwarf galaxies of the past have evolved into the ones in the present day. The team includes Indian scholar Anshuman Borgohain from Tezpur University.
-
Distant Dwarf Galaxy Formation Spotted, Indian Researcher In Study Team
A first of its kind study has found new stars forming beyond the visible boundaries about 1.5 to 3.9 billion light years away from the Earth, according to an article by a research scholar of Tezpur University.
