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Solar System Planet Superlatives
Can you name the Solar System Planet Superlatives?
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How to Play
Click the green button to start and enter the correct answers below
Some questions may include 2 answers. Synodic day refers to the rotational period measured with respect to the Sun. Sidereal day refers to the rotation period with respect to the stars.
Planet with the second most moons.
Saturn has 60 known moons.
Planet with the strongest magnetic fields.
Large planet with metallic inner core equals strong magnetic field.
This is the largest celestial body in the solar system.
The Sun contains 99.86 of the entire mass of the solar system.
Fastest orbiting planet.
Mercury takes 87.97 Earth days to orbit the Sun.
Slowest sidereal rotation.
Planet with the most moons.
Jupiter has 63 known moons.
Planet that has the most circular orbit around the sun.
Probably due to its retrograde spin and having no detectable magnetic field.
Planet that has the fastest recorded winds.
Speeds of 1,000-1,200 mph have been recorded on Neptune.
Planet that has the most liquid or surface water.
Earth is called the blue planet for a reason.
Smallest and least massive planet.
Although very dense, Mercury is the smallest planet.
Planet that has a moon with the most eccentric orbit.
The moon Triton has a retrograde orbit.
This orbital sphere was once known as the ninth and smallest planet.
Pluto is now classified as a dwarf planet.
Planet with the largest moon.
Ganymede is the largest moon in the solar system.
Rotational pole closest to ecliptic.
The north pole is 98 degrees from being directly up and down to its orbit plane.
Planet that has the lowest average density.
Saturn would float on water if it could.
Slowest orbiting planet.
It takes Neptune 167.79 years to orbit the Sun.
The planet that has the highest temperatures.
The average surface temperature is 867 degrees F.
Planet with greatest average density.
Earth in fact does have greatest average density of all the planets.
Largest and most massive planet.
It would take 317.8 Earths to be the size of Jupiter.
Planet with the tallest mountain in the solar system.
Olympus Mons is the largest known mountain in the solar system.
Longest synodic day.
A day on Mercury is 175.94 Earth days.
Fastest sidereal rotation.
A day on Jupiter is 9 hours 55 minutes and30 seconds.
Two planets with no moons.
Neither planet has any moons.
Shortest synodic day.
9 hours 55 minutes and 30 seconds
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