The following topics are immediate sub-topics of Astrophysics.
Term: Fraunhoffer Lines
- Signs proposed: 2 (view signs)
- Last modified: over 8 years ago
- Listed under: ... >> Physics >> Astrophysics
- Definition: Any of several celestial radio sources emitting short intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.