Today, astronomers have unveiled a new technique using ALMA that has revealed a population of hidden stars in the Orion Nebula. The new technique, called attenuation, uses the infrared light from the stars to measure the amount of dust in the nebula. By doing so, astronomers are able to measure the stars’ brightness more accurately and reveal stars that were previously hidden. This new technique is giving us a better understanding of the distribution of stars in the Orion Nebula, which is helping us to learn more about the formation and evolution of stars in this region.

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source: Phys.org