![Images of the planetary nebula NGC 7027 (left) and IC 418 or Spirograph nebula (right) where infrared emission features have been detected, confirming the presence of very heavy elements. Credit: NGC 7027: Hubble Legacy Archive, ESA, NASA. Processed by: D Images of the planetary nebula NGC 7027 (left) and IC 418 or Spirograph nebula (right) where infrared emission features have been detected, confirming the presence of very heavy elements. Credit: NGC 7027: Hubble Legacy Archive, ESA, NASA. Processed by: D](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/gallery/news/prensa1408_3245.jpg?itok=teZx0OxM)
An international team led by a PhD student from the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL) has identified the emission of tellurium in the infrared spectra of two planetary nebulae and bromine in one of them.
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