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February 16, 2009

Konstanta-konstanta Astronomis


Astronomical Constants
Constant
Value
Astronomical unit (au)
149,597,870 km
Speed of light in a vacuum (c)
299,792.458 km/sec
Solar parallax
8.794148 arc seconds
Mass of the sun
1.9891 × 1030 kg
Mass of the earth
5.9742 × 1024 kg
Mass of the moon
7.3483 × 1022 kg
Light-year (ly)
9.4605 × 1012 km = 0.30660 pc
Parsec (pc)
30.857 × 1012 km = 3.26161 ly
Obliquity of the eliptic (2000)
23 ° 26 ' 21.448 "
General precession (2000)
50.290966 arc seconds/year
Constant of nutation (2000)
9.2025 arc seconds
Constant of aberration (2000)
20.49552 arc seconds
Microsoft ® Encarta ® 2006. © 1993-2005 Microsoft Corporation. All rights reserved.

to be contuou.....................

2 comments:

  1. assalmu'alaikum....
    bapak, maaf ni numpang mejeng..hehehe!!!!

    ReplyDelete
    Replies
    1. Wa'alaikumussalaam...
      Terima kasih, dah mau mejeng di komenan blog artikel saya.

      Delete

Terima kasih telah membacanya. Sangat saya hargai, jika anda mengisi kolom komentar disini.

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