Quiz on the Extreme Points in the Solar System
Posted on: May 9, 2015. Comments ( 1 )

The Stormiest. The Rockiest. The Stinkiest.
The Hottest. The Coldest. The Most Electric.

Armchair-travel the Solar System with our Extreme Points quiz.

The Solar System’s longest-living storm—the Jovian Great Red Spot, presently in its 349th year since first observed in 1665 by Italian astronomer Giovanni Cassini—reaching top wind speeds of 400 miles per hour, is in which planet between Mars and Saturn?





The Solar System’s hottest planetary surface, 460°C—not only because it is 26 million miles closer to the Sun than Earth but also due to reflected solar heat trapped by its thick atmosphere of CO2 and dense clouds of sulphuric acid—is of which planet near the Earth?





The Solar System’s most shocking lightning strike—recorded a 100 million miles away from a Saturnine lightning storm area, a burst of electromagnetic radio waves 1 million times more powerful than a strike 55,000 miles above Earth’s surface—occurred in which planet?





The Solar System’s tallest mountain, Olympus Mons, the Martian shield volcano 26.5 kilometres tall—three times that of Earth’s Mount Everest—was formed over a very long time owing to the loss of tectonic plate movements in which planet also called the Red Planet?





Valles Marineris—the largest canyon in the Solar System—a Martian rift valley 3,999 kilometres long, 200 kilometres wide and 9.97 kilometres deep—Arizona’s Grand Canyon is 446 kilometres long 29 kilometres wide and 1.8 km deep—is in which “Red” planet?





The Jovian moon Io—the most volcanically active and stinkiest place in the Solar System—with surface hydrogen sulphide giving off a characteristic “rotten egg” odour, and extreme volcanic activity shooting sulphur plumes up to 310 miles skyward, belongs to which planet?





While Earth’s deepest ocean is the Pacific—10.9 kilometres deep at Challenger Deep in the Mariana Trench—where is the deepest ocean in the Solar System, an unnamed ocean 99.7 kilometres deep under a thick ice crust but warmed within by tidal stress and radioactivity?





Where is the coldest place in the Solar System—the lunar south pole of a moon whose craters’ steep rims block sunlight from reaching its centre creating permanent darkness and a constant temperature of –240°C—ten degrees lower than that of Pluto’s dayside?





Comments (1)


    Padma says:

    very nice and informative quiz.

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