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I Zwicky 18

All articles tagged with #i zwicky 18

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
astronomy1 year ago

"Stellar Populations in Metal-Poor Dwarf Galaxy Explored by Astronomers"

Astronomers have used the James Webb Space Telescope to study the stellar populations of the extremely metal-poor blue compact dwarf galaxy I Zwicky 18. Their observations revealed extreme populations of bright, recently formed massive stars, as well as candidate populations of dusty evolved stars and young stellar objects. The study provides important insights into the demographics of younger and older stellar populations in this galaxy, making it an ideal laboratory to study star demographics in an environment similar to that found shortly after the Big Bang.

via Phys.org|
#astronomy#dwarf-galaxy#i-zwicky-18