November 7, 2011
Want to stay on top of all the space news? Follow @universetoday on Twitter It’s already been stated several times here on Universe Today that 2005 YU55, a 400-meter-wide roughly spherical asteroid, will not pose any threat to Earth as it passes by on Tuesday, November 8… even though it will come within 80% of [...]
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July 23, 2009
An ephemeris is a star chart and almanac. It’s a table of values that tells the exact position of stars, planets, and other celestial bodies at given times. This chart is used in astrology and astronomy. The first known ephemeris was created in 2000 BC in India. It is called the Vedic Period and is [...]
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