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Dwarf Irregular Galaxy

All articles tagged with #dwarf irregular galaxy

astronomy1 year ago

"James Webb Space Telescope Unveils Spectacular Galaxies and Stellar Phenomena"

The James Webb Space Telescope has captured a striking image of the irregular dwarf galaxy I Zwicky 18, located 59 million light-years away in the constellation Ursa Major. The image reveals multiple sudden bursts of star formation within the galaxy, characterized by low heavy element content and surrounded by brown filaments of gas bubbles. The presence of another nearby galaxy may be triggering the star formation. This new insight builds on previous observations by the Hubble Space Telescope and sheds light on the galaxy's life cycle of dust and recent star formation.

via Livescience.com|
#astronomy#dwarf-irregular-galaxy#i-zwicky-18
space1 year ago

"Stunning Image: James Webb Telescope Captures Sparkling Stars in Zwicky 18"

The James Webb Space Telescope has captured a stunning image of the dwarf irregular galaxy I Zwicky 18, located 59 million light-years from Earth, revealing distinct bright regions of white and blue stars at its core representing different periods of star formation. The image also shows wispy brown filaments surrounding the central starburst region, indicating bubbles of gas heated by stellar winds and ultraviolet radiation. This galaxy's low content of heavy elements makes it similar to early star-forming galaxies, providing valuable insights into the life cycle of stars and dust in the early universe.

via Space.com|
#dwarf-irregular-galaxy#i-zwicky-18#james-webb-space-telescope
astronomy2 years ago

"Exploring the Celestial Wonders: A Holiday Globe of Stars"

The NASA/ESA Hubble Space Telescope has captured an image of UGC 8091, a dwarf irregular galaxy resembling a sparkling snow globe, to celebrate the holiday season. This galaxy, located around seven million light-years away in the constellation Virgo, contains around one billion stars. By examining the composition of dwarf galaxies like UGC 8091, astronomers hope to uncover the evolutionary links between ancient galaxies and more modern ones. The image was created using twelve filters to capture different wavelengths of light, revealing the diverse features of the galaxy. The data used in the image were collected from 2006 to 2021 by Hubble's advanced instruments.

via ESA/Hubble|
#astronomy#dwarf-irregular-galaxy#esa