Tag Archives: NASA

(Asteroid 2003 QQ) 47

From NASA – September 3, 2003 Asteroid 2003 QQ47′s Potential Earth Impact in 2014 Ruled Out “Newly discovered asteroid 2003 QQ47 has received considerable media attention over the last few days because it had a small chance of colliding with the Earth in the year 2014 and was rated a “1″ on the Torino impact [...]

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(M) 59 (& M60)

M59 & M60, which are also known as Messier 59 and Messier 60, are two of four galaxies observed in the Virgo cluster.  Billions (10+12) of stars are in both elliptical galaxies – which are estimated to be about 55 – 60 million light years away (10+23) while the asteroids observed are in our solar [...]

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(0.) 61 (m/s)

Did you know that the speed of sound can change with a change of temperature? From Charles E. Speak’s Introduction of Sound, “…the speed of sound increases approximately 0.61 m/s (61 cm/s or 2 ft/s) for each 1° C increase in temperature…” At NASA’s Dynamics of Flight, there are some helpful diagrams explaining how sound [...]

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73 (in Ham Radio)

According to ARRL (National Association of Amateur Radio), 73 is known as a “friendly word between operators”.  Because Ham Radio (also known as Amateur Radio) is wireless, the operators are more than just enthusiasts. At local levels (10+3), they offer vital assistance during disasters.  “For instance, it was the Amateur Radio Service which kept New [...]

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(14)85

Leonardo da Vinci (1452-1519) was interested in developing ways for humans to be able travel through the air like a bird. He started to make drawings for an ornithopter about 1485.   The ornithopter is designed as a human powered machine whose wings flap like a bird or bat.  In NASA’s History of Flight, da Vinci’s [...]

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(Element) 94 (and the future of the Space Age)

11.09.1967 Brazil, Atlantic Ocean, Africa, Sahara and Antarctica seen from Apollo 4 Image from NASA Element 94 on the Periodic Table is Plutonium. (10-12) “The isotope 233Pu was used in the American Apollo lunar missions to power seismic and other equipment on the lunar surface.”  On page 37 of NASA’s Fiscal Year 2010 -Performance and Accountability [...]

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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 1452 days ago