Sentences with phrase «destroying organic chemicals»

These may have oxygen - rich atmospheres that would make them habitable today, but could have prevented life forming initially by destroying organic chemicals.

Not exact matches

If the rocks were below the surface, the heat of the planet may also have destroyed anything organic, and if they were on the surface, cosmic rays or oxidising chemicals like hydrogen peroxide could have severed the molecular ties.

Later studies, though, suggested that the organic building blocks of life may have been present in the Martian dirt tested by Viking, but that other chemicals there would have destroyed these organics when heated for the experiment.