15 Facts About Mars: The Remarkable Red Planet [Infographic]
In terms of space exploration, Mars has been the greatest frontier for discovery. From its red color to marsquakes, here are 15 remarkable facts about Mars.
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What Is the Mesosphere?
Highlights of the mesosphere include: (1) Air is very thin (2) It’s the coldest region of the atmosphere close to -100°C and (3) It’s where meteors burn up.
The Major Ocean Currents of the World
Ocean currents are like giant conveyor belts moving huge amounts of water all the time. Wind, temperature and salt gradients all influences ocean currents.