Glossary of Radio Astronomy Terms
Retrieving Glossary Terms...
The distance between two adjacent crests of a wave.
Weakly Interacting Massive Particle (WIMP):
Short for “Weakly Interactive Massive Particle,” a WIMP is a hypothetical “dark matter” particle, which does not interact at all or very rarely with other particles via the electromagnetic force. It does, however, interact via gravitational effects.
A well-defined spiral galaxy with very prominent arms.
A dying star that has collapsed to approximately the size of the Earth and is slowly cooling.