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Mars has the tallest mountain known in our solar system, known as Olympus Mons. The mountain rises a whopping 16.8 miles (or 27 kilometers).
Venus is the hottest planet in our solar system. The surface temperature on Venus is a burning 461.85 °C (863.33 °F). On Pluto it is so cold that liquid nitrogen turns to solid! Pluto's estimated surface temperature is around -228°C (-378°F).
The "Solar Challenger" is a solar powered plane that was built in 1980 with the ability to fly using only the energy provided by sun. It's longest flight was 160 miles (260km), completed without the use of any batteries.