2. Various constants and reference quantities
2.1 Geometric and mechanical quantities
The value 1 AU = 149,600 × 10 6 m is adopted by convention in the International Astronomical Union's system of astronomical constants.
The astronomical unit is roughly equal to the radius of the undisturbed circular orbit of a body of negligible mass moving around the Sun with a sidereal angular velocity of 0.017,202,098,950 radians per day of 86,400 ephemeris seconds (cf. the article...
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Various constants and reference quantities
Values of some standards in SI units
Bibliographical references
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Article included in this offer
"Chemical risk prevention manager"
(
226 articles
)
Updated and enriched with articles validated by our scientific committees
A set of exclusive tools to complement the resources
