Concept
Polycyclic Aromatic Hydrocarbons
Soot-like molecules glowing in the infrared.
Carbon-ring molecules abundant in interstellar space, responsible for prominent infrared emission features from dust-rich regions.
Overview
Carbon-ring molecules abundant in interstellar space, responsible for prominent infrared emission features from dust-rich regions.
See also
Interstellar Ice
Frozen molecules coating cold dust grains.
The Big Bang
How everything began, 13.8 billion years ago.
Black Holes
Regions where gravity stops light itself.
Dark Matter
The invisible mass holding galaxies together.
Dark Energy
The mysterious force accelerating the universe.
Light-Year & Astronomical Distances
Measuring the unimaginable.