Solar System questions This is a list of recently added questions about Solar System. Play Solar System quiz and see all the questions. Which planet is this globe with such a bland look without any details?Uranus. Upper parts of Uranus' atmosphere are composed of condensed hydrocarbons, mainly methane crystal particles. Contrary to the rest of gas giant planets, it's hard to observe clouds and storm bounds.Created by: smyruaverage 62% UranusUranus8777NeptuneNeptune3698MercuryMercury643VenusVenus918planets riddles » Mars colonisation is a hype topic. What is the biggest threat for those wishing to take a part in a journey to Mars?Cosmic rays. The only efficient protection against high energetic cosmic radiation, one we are granted with, is Earth magnetic field. Both during a long flight to Mars and through the stay on the planet, that did not form electromagnetic field, astronauts would be exposed to ionization. Created by: smyruhard 53% low temperatureslow temperatures1762lack of oxygenlack of oxygen5099poor gravitypoor gravity1400cosmic rayscosmic rays9505astronautics riddles » 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: lanusienkavery easy 82% MercuryMercury8122VenusVenus777EarthEarth291MarsMars686space riddles » Which is the only moon with active volcanoes?Lo is a very tiny moon that is enormously influenced by the gravity of Jupiter. The great forces of Jupiter and its other moons exert such long pulls on lo that it deforms continuously from strong internal friction. These tides produce tremendous amount of internal friction, which heats the moon and enables its volcanic activityCreated by: ippili_chvery hard 39% Titan Titan 1410GanymedeGanymede1487lolo2673EuropaEuropa1215astronomy riddles » What is the name of first in history cosmic tourist (astrotourist)?Dennis Tito. Dennis Anthony Tito is an American engineer and multimillionaire, most widely known as the first space tourist to fund his own trip into space. Tito paid a reported $20 million to the Russian Federal Space Agency.Created by: Paweł Kołodziejczykvery hard 38% Neil Alden ArmstrongNeil Alden Armstrong2611Guy LalibertéGuy Laliberté1130Dennis TitoDennis Tito3379Richard GarriottRichard Garriott1666tourism riddles » 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.hard 57% 800 times800 times21431,321 times1,321 times665550 times50 times99610,000 times10,000 times1716astronomy riddles » 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 Kołodziejczykeasy 74% sevenseven1394eighteight9024ninenine1448173173192astronomy riddles » How many planets in the Solar System are not named after a Greek or Roman god?One. It's the Earth.Created by: globalquiz.orgaverage 66% nonenone2513oneone11669twotwo2029threethree1382mythology riddles » Which planets in the Solar System have no natural satellites?Mercury and Venus. Only Mercury and Venus have no natural satellites.Created by: globalquiz.orghard 57% Mercury onlyMercury only3771Mercury and VenusMercury and Venus11168Mercusy and MarsMercusy and Mars1977there are no such planetsthere are no such planets2426astronomy riddles » Olympus Mons is the largest known volcano. Where is it?On Mars. Olympus Mons (Latin for Mount Olympus) is a large shield volcano on the planet Mars, having a height of nearly 22 km (14 mi). Being a shield volcano, it has a very low profile. The average slope on the volcano's flanks is only 5°. Because of that, an observer standing on the Martian surface would be unable to view the entire profile of the volcano, even from a great distance.Created by: Trương Ngọc Hùngaverage 62% in Australiain Australia1185in Indonesiain Indonesia2677in Antarcticain Antarctica4021on Marson Mars13052volcanoes riddles » Play Solar System quiz and see all the questions.