I'm an award-winning science journalist and author of 'Distant Wanderers: the Search for Planets Beyond the Solar System.' I primarily cover aerospace and astronomy.
Telescope’s near-infrared-light view. The pillars look like arches and spires rising out of a desert landscape, but are filled with semi-transparent gas and dust, and ever changing. This is a region where young stars are forming – or have barely burst from their dusty cocoons as they continue to form.Dust can wreak havoc on everything from nasal passages to high tech electronics.
Primarily using data from the European Southern Observatory’s Very Large Telescope in northern Chile, the study shows that dust formation occurred much earlier in the universe than previously thought.If you had asked me just ten years ago, I would have said, you need the first several generations of stars and lots of the stars to live for many millions of years before there would be much dust in the early universe, says Andersen.
Metals formed in stars are ejected into the interstellar medium by strong stellar winds and supernova explosions then incorporated into the next generation of stars, the authors write. While substantial amounts of metals are found in neutral gas, large fractions of these metals are instead locked into dust grains, they write.
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