Star whose brightness as seen from Earth fluctuates.
A star that varies noticeably in brightness.
1Lopez-Sanchez said it is well-documented that Betelgeuse is a variable star, meaning it changes brightness periodically.
2Beta Persei is another well-known variable star.
3Kung may be a variable star.
4The variable star in Ophiuchus has an analogous system, and observation has already revealed a great number of others.
5The period over which a variable star's brightness changes is unique for each star, making them interesting targets as landmarks.
6It is unlikely, though, that the Colonials have a comprehensive database of every red supergiant or variable star in the Galaxy.
7Some were quick to point out that Betelgeuse is classed as a semi-regular variable star, meaning its brightness is prone to change.
8A variable star is one which brightens over a period of time, eventually becoming visible to the naked eye, before dimming again.
9Today is the 400th anniversary of the discovery of the first variable star, named Mira after the Latin word for "wonderful".
10That is, however, not the received opinion about variable stars.
11But these variable stars are still obscure, and we do not need their aid.
12Hubble not only found a number of stars in Andromeda, he found Cepheid variable stars.
13There are several others of the same type: these are not, properly speaking, variable stars.
14It is overblown and soulless -a tin-canfinal part in Disney's variable Star Wars trilogy.
15Hubble observed that certain regular variable stars in our Galaxy could also be seen in other galaxies.
16I have also taken up the observation of variable stars in a limited portion of the heavens.
Esta colocación está formada por:
Translations for variable star