"Sirius", the brightest star outside of the Solar System, is also called ________.
A. Cat star
B. Dog star
C. Fox star
D. Lion star
Answer: Option B
A. Cat star
B. Dog star
C. Fox star
D. Lion star
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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