Planets questions This is a list of recently added questions about planets. Which planet of the solar system has the smallest surface?Mercury has a surface of 75x10^6 km^2, which is equal to 14,7% of Earth' surface.Created by: lanusienkaspace riddles »easy 77% MercuryMercury2145VenusVenus259EarthEarth124MarsMars237 How many times is Jupiter's volume larger than Earth's volume?1,321 times. Jupiter is so big, that it is almost the size of a star. The smallest known red dwarf is just 16 percent larger in diameter than Jupiter.Created by: K.R.A.C.Solar System riddles »hard 56% 800 times800 times8031,321 times1,321 times261250 times50 times41810,000 times10,000 times780 How many planets does the Solar System consist of?Eight. These are Mercury, the Venus, the Earth, Mars, the Jupiter, the Saturn, the Uranus and the Neptune. The Pluto is excluded from the list since 2006, and it is classified as one of dwarf planets (not even the largest of them).Created by: Paweł Kołodziejczykastronomy riddles »easy 72% sevenseven554eighteight3822ninenine76917317399 How many planets in the Solar System are not named after a Greek or Roman god?One. It's the Earth.Created by: globalquiz.orgnames riddles »average 60% nonenone1225oneone4480twotwo974threethree680 Which planets in the Solar System have no natural satellites?Mercury and Venus. Only Mercury and Venus have no natural satellites.Created by: globalquiz.orgastronomy riddles »hard 55% Mercury onlyMercury only1718Mercury and VenusMercury and Venus4827Mercusy and MarsMercusy and Mars974there are no such planetsthere are no such planets1189 Which planet is the brightest seen from Earth?Venus is much brighter than other planets. It is due to its proximity to the Sun (source of light), and bright clouds of sulfuric acid in its atmosphere.Created by: globalquiz.orgtechnology riddles »average 68% MercuryMercury1279VenusVenus9158MarsMars1400JupiterJupiter1596 This is the aurora of Jupiter. What are the visible bright spots caused by?Jupiter moons. Jupiter's moons, especially Io (spot on the left), are powerful sources of auroras on Jupiter. These arise from electric currents along field lines, generated by a dynamo mechanism due to the relative motion between the rotating planet and the moving moon.Created by: globalquiz.orgphysics riddles »hard 42% volcanic peaksvolcanic peaks426atmospheric stormsatmospheric storms2398Jupiter moonsJupiter moons4252multiple magnetic poles of Jupitermultiple magnetic poles of Jupiter3030 Which planet is the closest in size to Earth?Venus. The equatorial diameter of Venus is about 95% the size of the Earth's equatorial diameter. Moreover, its mass, density and orbit is also closest to those of Earth.Created by: Kasiatechnology riddles »hard 54% MercuryMercury945VenusVenus5951MarsMars3467UranusUranus581 Play Solar System quiz and see all the questions.