Multiple Choice
Stars whose absorption lines move back and forth are called ______.
A) visual binaries
B) eclipsing binaries
C) astrometry binaries
D) Spectroscopic binaries
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Stars whose absorption lines move back and forth are called ______.
A) visual binaries
B) eclipsing binaries
C) astrometry binaries
D) Spectroscopic binaries
Correct Answer:
Verified