This image shows colliding galaxies.
Click on image for full size
Scientists have also found long, complex molecules such as amino acids, proteins, and polycyclic aromatic hydrocarbons (PAH's) in distant molecular clouds in interstellar space. But just as the formation of coacervates in the Miller Urey experiiment did not constitute life, the presence of these molecules in deep space does not mean living being exist there.
This is page 20 of 20
Shop Windows to the Universe Science Store!
Our online store
includes issues of NESTA's quarterly journal, The Earth Scientist
, full of classroom activities on different topics in Earth and space science, as well as books
on science education!