Forming stars in the early universe

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos. When the universe was about three billion years old, star formation ...

Galaxy triplet SIT 45 inspected in detail

An international team of astronomers has performed multiwavelength photometric observations of a galaxy triplet known as SIT 45. Results of the study, published September 26 on, provide important information regarding ...

Image: Hubble captures eccentrically shaped NGC 1614 galaxy

NGC 1614, captured here by the NASA/ESA Hubble Space Telescope, is an eccentrically shaped galaxy ablaze with activity. The galaxy resides about 200 million light-years from Earth and is nestled in the southern constellation ...

NASA's Chandra finds galaxy cluster collision on a 'WHIM'

Astronomers taking inventory of the material in the local universe keep coming up short. A new result from NASA's Chandra X-ray Observatory about a system of colliding galaxy clusters may help explain this shortfall.

A dark stream sheds new light on the life of galaxies

An international team of scientists led by a University of Sydney astrophysicist has discovered evidence the Andromeda galaxy is a cannibal growing through colossal intermittent feasts.

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