Radial Velocity (Noun)
Meaning
Velocity along the line of sight toward or away from the observer.
Classification
Nouns denoting time and temporal relations.
Examples
- The discovery of exoplanets often relies on measuring the star's radial velocity to determine if a planet is orbiting it.
- Astronomers use the Doppler shift to calculate the radial velocity of celestial objects in our galaxy.
- The radial velocity of a galaxy can provide information about its distance and motion within the universe.
- By analyzing the radial velocity of a star over time, scientists can infer the presence of a planet or other companion objects.
- Measuring the radial velocity of a supernova can help researchers understand the dynamics of the explosive event.