Blog Post Image: Astronomers discover first noble gas molecules in space

In blue, visible light from the Crab Nebulam seen by the Hubble Space Telescope. This comes from emissions of gases in the nebula, which are energised by the neutron star at the centre. In red, far infrared light seen by the Herschel Space Observatory. This comes mainly from cold dust and gas. Image credit: Hubble: NASA, ESA, Alison Loll & Jeff Hester (University of Arizona) & Herschel Space Observatory