Solar System MCQ & Answers [PDF Download]
Which planet has the most eccentric orbit in our solar system, with an eccentricity of approximately 0.2056?
What is the approximate rotational period of Jupiter's Great Red Spot compared to Jupiter's own rotation?
Which moon of Saturn is known for its retrograde orbit and is believed to be a captured asteroid?
What is the primary reason Mars appears red due to iron oxide, but what percentage of iron oxide is actually present in Martian soil?
Which spacecraft was the first to successfully land on the far side of the Moon?
What is the escape velocity from Jupiter's surface, and how does it compare to Earth's?
Which asteroid was the first to be orbited and landed on by a spacecraft?
What is the orbital resonance ratio between Jupiter and its moon Io compared to Europa and Ganymede?
Which planet has the strongest magnetic field relative to its size in our solar system?
What is the primary component of Titan's thick atmosphere?
Which dwarf planet has the highest orbital inclination relative to the ecliptic plane?
What causes the hexagonal storm pattern at Saturn's north pole?
Which moon experiences the strongest tidal forces in the solar system due to its proximity to its planet?
What is the approximate temperature difference between day and night sides of Mercury?
Which comet has the shortest known orbital period among periodic comets?
What percentage of the solar system's total mass is contained in the Sun?
Which planet's axis of rotation is tilted at approximately 98 degrees, making it roll on its side?
What is the main component of the particles in Saturn's rings?
Which space mission first detected organic compounds on Mars?
What is the approximate diameter of the largest asteroid, Ceres?
Which moon of Neptune orbits in a retrograde direction and is likely a captured Kuiper Belt Object?
What phenomenon causes Jupiter's aurora to be approximately 100 times more energetic than Earth's?
Which planet has the most circular orbit with an eccentricity closest to zero?
What is the primary reason Venus is hotter than Mercury despite being farther from the Sun?
Which asteroid belt object was the first to be discovered and initially classified as a planet?
What is the approximate ratio of Pluto's mass to Earth's Moon?
Which space mission provided the first close-up images of Pluto?
What is the primary reason for Mars' distinctive polar ice caps changing seasonally?
Which moon of Jupiter is believed to have a subsurface ocean with twice the water content of all Earth's oceans?
What is the approximate age difference between the oldest and youngest surfaces on Mars based on crater counting?