Definitions
Sorry, no definitions found. You may find more data at cepheids.
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word Cepheids.
Examples
-
Among a class of variable stars known as Cepheids, she found that the period of pulsation is closely related to the star's absolute brightness.
-
The variability of a class of stars now called Cepheids (of which delta Cephei was the first example) has laid the foundation for measuring extragalactic distances in the universe.
-
He also measured their relative distances by measuring the apparent brightness of a class of variable stars called Cepheids in each galaxy.
-
He also measured their relative distances by measuring the apparent brightness of a class of variable stars called Cepheids in each galaxy.
-
Henrietta Leavitt was directly responsible for the theory that linked the speed of variation of the Cepheids with their brightness.
Miss Leavitt's Variables Brian Clegg 2010
-
Henrietta Leavitt was directly responsible for the theory that linked the speed of variation of the Cepheids with their brightness.
Archive 2010-03-01 Brian Clegg 2010
-
The WMAP team took those from observations of the baryon acoustic oscillations BAO in the distribution of galaxies; of Cepheids, supernovae, and a water maser in local galaxies; of time-delay in a lensed quasar system; and of high redshift supernovae, and combined them to reduce the nooks and crannies in parameter space in which non-cosmological constant varieties of dark energy could be hiding.
-
After his speech, Cepheids "stole" him away, much to the annoyance of the members of Great Issues - but apparently to the delight of Clarke, since he got to spend the evening with real sf fans.
March 19th, 2008 2008
-
This is the most famous of all variable stars and the granddaddy of all Cepheids.
Weekend SkyWatcher's Forecast – November 20 -22, 2009 | Universe Today 2009
-
If attendance was as bad this year as rumor has it, maybe the few remaining Cepheids will take the hint and take the steps necessary to save the convention.
Archive 2009-03-01 2009
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.