Astronomy team finds evidence of galactic metal shrouded in dust: Infrared emissions reveal secrets invisible with optical wavelength observations - Science Daily

Using NASA's SOFIA observatory and other data resources, an international team of astronomers has uncovered evidence of metals in local galaxies -- found to be deficient in earlier studies -- by analyzing infrared data gathered during a multiyear campaign.

A thorough understanding of galaxy evolution depends in part on an accurate measurement of the abundance of metals in the intergalactic medium -- the space between stars -- but dust can impede observ… [+4634 chars]

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