Kieren Topp

JWST reveals a massive and ancient galaxy that challenges our models of the young Universe

Galaxies and stars developed faster after the Big Bang than expected

Detailed pictures of one of the very first galaxies show growth was much faster than we thought

JWST shows details of massive galaxy merger 13 billion years ago (insert of another early galaxy shows how significant the new JWST images are)

An international research team have made unprecedentedly detailed observations of the earliest merger of galaxies ever witnessed. They suggest stars developed much faster and more efficiently than we thought.

They used the James Webb Space Telescope (JWST) to observe the massive object as it was 510 million years after the Big Bang – i.e. around 13 billion years ago.

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How does the atmosphere’s washing machine work?

A German aircraft flying out of Cairns is measuring the chemistry of the clouds above Australia and the Pacific.

FEBRUARY 23, 2024: This week, a German research aircraft is sampling air up to 15 km above Australia and the Pacific Ocean. The CAFE-Pacific Mission aims to better understand:

  • how the tropical atmosphere deals with air pollution;
  • how clouds form over oceans;
  • how to refine weather and climate models, leading to better forecasts and projections; and, fundamentally
  • to better understand the chemistry of climate.

Flying out of Cairns in the northeast of Australia, the Chemistry of the Atmosphere: Field Experiment (CAFE) team are tracking weather events and taking atmospheric measurements to better understand the atmospheric chemistry occurring above the clouds.

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