Tag

Relic Galaxy

All articles tagged with #relic galaxy

science6 months ago

Fossil Galaxy Remains Unchanged for 7 Billion Years

Astronomers have discovered a rare, ancient 'fossil galaxy' called KiDS J0842+0059, located 3 billion light-years away, which has remained largely unchanged for about 7 billion years, providing valuable insights into the early universe and galaxy formation. These relic galaxies are extremely rare, dense, and contain mostly ancient stars, offering a cosmic record of early galactic conditions.

astronomy2 years ago

Dark Matter Mystery: Astronomers Stumped by Massive Relic Galaxy

Astronomers have discovered a massive elliptical galaxy called NGC 1277 that appears to have little to no dark matter, challenging current cosmological models. Observations indicate that within the observed radius, the galaxy cannot have more than 5 percent of its mass as dark matter. Possible explanations include the gravitational interaction with the surrounding medium or the dark matter being driven out during the galaxy's formation. This discovery poses a problem for both the standard model of cosmology and alternative theories that seek to explain gravity without the need for dark matter.

astronomy2 years ago

Unraveling the Enigma: Exploring a Dark Matter-Free Galaxy

Scientists have discovered that the massive galaxy NGC 1277 does not contain dark matter, which challenges the currently accepted cosmological models. NGC 1277 is considered a relic galaxy, and its lack of dark matter is puzzling. Possible explanations include the gravitational interaction with the surrounding medium or the dark matter being driven out during the galaxy's formation. If confirmed, this finding would cast doubt on alternative models for dark matter. Further observations are planned to investigate this mystery.