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Hubble has discovered fifth moon around Pluto.

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Solar-powered Aircraft.

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GPS systems are in many new vehicles that people buy. GPS navigation systems stands for Global Positioning System.

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The climb is not difficult in itself, but the mountain can be hazardous in bad weather. The beautiful scenery and stunning views make the effort worthwhile.

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Lake Toba, on the Indonesian island of Sumatra, is the site of a supervolcanic eruption around 75,000 years ago that was probably the largest anywhere on Earth during the last 25 million years. The crater formed by the eruption is now filled with water that makes Lakes Toba, which is around 100 km (60 miles) by 30 km (18 miles) in extent, and 505 m (1,650 ft) deep at its deepest point.

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Chang Jiang (Yangtze): The world’s deepest river, third longest and the longest in Asia. It rises in Tibet and flows east into the Yellow Sea.
The Yenisei is the second longest in northern Asia at 5540km (3440 miles), followed by the Huang He (Yellow River) at 5464km (3400 miles).