NEWS – James Webb Space Telescope (JWST) identifies the earliest-known galaxy. Galaxy named JADES-GS-z14-0 formed about 290 million years after the Big Bang.

HIGHLIGHTS

• Characteristics of JADES-GS-z14-0
  • Size: Measures approximately 1,700 light years across.
  • Mass: Equivalent to 500 million stars the size of our Sun.
  • Star Formation: Rapidly forming new stars, about 20 every year.
• Significance of the Discovery
  • Surprising brightness and size for a galaxy formed during the universe’s infancy.
  • Represents only 2% of the current age of the universe.
• Research and Observations
  • Conducted by an international team of astronomers using JWST.
  • Part of the JWST Advanced Deep Extragalactic Survey (JADES) program.
• Insights and Hypotheses
  • Astrophysicist Kevin Hainline discusses the astonishment of the early universe’s discoveries.
  • Challenges in understanding the formation of such a large galaxy in a short period.
  • Three main hypotheses proposed to explain the galaxy’s brightness.
• Additional Discoveries
  • Mention of the discovery of the second oldest-known galaxy, JADES-GS-z14-1.
  • Comparison of size, mass, and star formation with JADES-GS-z14-0.
• Future Research Directions
  • Exploration of the reasons behind the galaxy’s brightness and size.
  • Continued study and analysis of early galaxies and their characteristics.