Satuan 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.....................

Previous
Next Post »

1 komentar:

Click here for komentar
February 25, 2009 at 2:43 PM ×

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

Congrats bro 야 사누시 you got PERTAMAX...! hehehehe...
Reply
avatar

Silahkan anda komentari disini. ConversionConversion EmoticonEmoticon