(Encyclopedia) feather star, common name of a class of echinoderms that, as juveniles, are attached to the sea bottom by a stalk with rootlike branches; the mouth side faces upward. In the adult…
(Encyclopedia) neutron star, extremely small, extremely dense star, with as much as double the sun's mass but only a few miles in radius, in the final stage of stellar evolution. Astronomers Baade…
(Encyclopedia) variable star, star that varies, either periodically or irregularly, in the intensity of the light it emits. Other physical changes are usually correlated with the fluctuations in…
(Encyclopedia) blazing star or button snakeroot, any plant of the genus Liatris, showy North American perennials of the family Asteraceae (aster family). The blossoms, rosy purple or white, are in…
(Encyclopedia)
CE5
A. Eclipsing binary: Primary component passing behind secondary (dimmer) component
B. Light curve for eclipsing binary
binary star or binary system, pair of stars that are held…
(Encyclopedia) Scholz's star, dim binary star system, consisting of a red dwarf and brown dwarf, in the constellation Monoceros, apparent magnitude 18.3. The red dwarf is a tiny star, with less than…
