Sentences with phrase «between apparent brightness»
Because all the stars in the Small Magellanic Cloud have approximately the same distance to us, the observed relationship between apparent brightness and period implies that there is an equivalent relationship between absolute brightness and oscillation period.
http://www.talkorigins.org/ Not exact matches
Lockwood et al. 2006 http://adsabs.harvard.edu/abs/2006Icar..180..442L states: The apparent relationship between Neptune's brightness variation and the 11 - year solar cycle seen in cycles 21 22 (1972 1996) has apparently now faded away.