... Tonight's Sky . ... space flight . ... Astronomy for Kids . ... Hydrogen peroxide found in space . The new detection of this molecule will help astronomers better understand the formation of water in the universe. ... Molecules of hydrogen peroxide have been found for the first time in interstellar space. ... Hydrogen peroxide is thought to form in space on the surfaces of cosmic dust grains т?? fine particles similar to sand and soot т?? when hydrogen (H) is added to oxygen molecules (O 2 ). ...