contact binary

The term 'contact binary' is used in both stellar and planetary contexts to describe systems where two objects are in physical contact with each other.

πŸ‡ΊπŸ‡Έ US Voice:
πŸ‡¬πŸ‡§ UK Voice:

Definition

C2Astronomy

(technical, academic)A pair of stars so close that their outer layers touch, often resulting in the transfer of material between them.

Example

  • The stars in a contact binary can exchange mass due to their proximity.
  • Observing a contact binary helps astronomers understand stellar evolution.

C2Planetary Science

(technical, academic)Two celestial bodies, such as asteroids or comets, that have fused together due to gravitational attraction, forming a single object.

Example

  • The contact binary in the asteroid belt is an intriguing subject of study.
  • Scientists discovered a contact binary in the Kuiper Belt, revealing new insights into the formation of the solar system.

Similar

Terms that have similar or relatively close meanings to "contact binary":

contact language