Unit Converter,Unit Conversion






Free Unit Converter Widget!

Free Unit Converter Widget!

Free Unit Converter Widget!



Free Unit Converter Widget!






  • Astronomical Unit Conversion - Measurement conversion A-I
    Astronomical unit - a unit of length that is roughly equal to 150 million kilometers, the average distance from the Earth to the Sun Other units of length used in astronomy are based on the speed of light and the time it takes light to cover a specific distance
  • Unit conversion - Measurement conversion A-I
    Unit conversion, Measurement conversion, Area unit converter, Angle unit converter, Energy unit converter, Force unit converter, Inductance unit converter, Data transfer unit converter, Astronomical unit converter
  • Orders of magnitude (length) - Wikipedia
    The following are examples of orders of magnitude for different lengths
  • Star - Wikipedia
    The first direct measurement of the distance to a star (61 Cygni at 11 4 light-years) was made in 1838 by Friedrich Bessel using the parallax technique Parallax measurements demonstrated the vast separation of the stars in the heavens Observation of double stars gained increasing importance during the 19th century


















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