Parsec is the unit of measurement of ________
A. Density of stars
B. Astronomical distance
C. Brightness of heavenly bodies
D. Orbital velocity of giant stars
Answer: Option B
A. Density of stars
B. Astronomical distance
C. Brightness of heavenly bodies
D. Orbital velocity of giant stars
Answer: Option B
A. Earth and Jupiter
B. Jupiter and Saturn
C. Saturn and Earth
D. Saturn and Neptune
A. Contracted star with intense gravitational pull
B. Star with very low surface temperature
C. Star with no atmosphere
D. Pulsating star
Messenger satellite has been launched by NASA for the study of
A. Mercury
B. Venus
C. Saturn
D. Jupiter
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