If a star with a high speed with respect a typical disk star is found, what other property would you expect it to have?

Question

Quizplus · Accepted Answer

Stars with high speeds relative to typical disk stars are often older, which means they have had more time to interact gravitationally with other objects and accelerate. These stars, known as halo stars, typically have highly elliptical orbits and are older, indicating they formed early in the galaxy's history.

If a Star with a High Speed with Respect a Typical