News tagged with chemical fingerprints

Detecting biomarkers on faraway planets

( —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into the atmosphere, ...

dateSep 10, 2013 in Astronomy
shares0 comments 5

Key link found in Cosmic Distance Ladder

( —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what they recognised ...

dateJun 20, 2013 in Astronomy
shares0 comments 0