Tag Archives: solar system

Planets Beyond Our Solar System

Scientists have made an important discovery in their search for life outside of our solar system.  NASA announced yesterday that its Kepler mission discovered two planets, roughly the size of Earth, called Kepler-20e  and Kepler-20f. “They are the smallest exoplanets ever confirmed around a star like our sun.”  Part of a five-planet system called Kepler-20, [...]

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10-to-plus13

We can consider the power 10+13 from multiple perspectives.  A few of many examples are listed below: Surface area of Antarctica, Russia, Africa and the moon (14, 17, 30 and 38 megameters2 respectively) Total wealth (as of 2010) of the 10.9 million people in the world with $1 million or more of investable assets Diameter [...]

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Asteroid Flyby

The largest asteroid since 1976 zipped past earth last Tuesday.  NASA says a similar occurrence won’t happen again until 2028. A recent article in The New York Times notes that the asteroid, known as 2005 YU55, headed towards us at 29,000 mph (10+04) and came within 202,000 miles of earth (10+05), which is “…just inside [...]

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8

8 planets in the solar system! The planets in order from biggest to smallest diameters are: 1) Jupiter 142,984 km 2) Saturn 120,536 km 3) Uranus 51,118 km 4) Neptune 49,528 km 5) Earth 12,756 km 6) Venus 12,100 km 7) Mars 6,794 km 8 ) Mercury 4,879 km “Our galaxy – the Milky Way [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1508 days ago