Universe MCQs

81. What is the name of the process by which a massive star fuses lighter elements into heavier elements in its core?
a) Fusion
b) Fission
c) Decay
d) Emission

82. What is the name of the planet in our solar system with the longest day?
a) Venus
b) Earth
c) Mars
d) Jupiter

83. What is the name of the mission that successfully landed a rover on Mars in February 2021?
a) InSight
b) Curiosity
c) Perseverance
d) Opportunity

84. What is the name of the phenomenon where a planet appears to slow down and reverse its motion in the sky?
a) Retrograde motion
b) Direct motion
c) Opposition
d) Conjunction

85. What is the name of the process by which a star produces energy in its core?
a) Fusion
b) Fission
c) Decay
d) Emission