- A
variable star is a
star whose brightness as seen from
Earth (its
apparent magnitude)
changes systematically with time. This
variation may be caused...
- Look up
Variable,
variable, or
variables in Wiktionary, the free dictionary.
Wikiversity has
learning resources about Variable Variable may
refer to:...
- In astronomy, a
variable-
star designation is a
unique identifier given to
variable stars. It
extends on the
Bayer designation format, with an identifying...
- In astronomy, a
semiregular variable star, a type of
variable star, is a
giant or
supergiant of
intermediate and late (cooler)
spectral type. It shows...
- In astronomy,
cataclysmic variable stars (CVs) are
stars which irregularly increase in
brightness by a
large factor, then drop back down to a quiescent...
-
Variable Star is a 2006
science fiction novel by
American author Spider Robinson,
based on the
surviving seven pages of an eight-page 1955
novel outline...
- A
Cepheid variable (/ˈsɛfi.ɪd, ˈsiːfi-/) is a type of
variable star that
pulsates radially,
varying in both
diameter and temperature. It
changes in brightness...
- binary, with the
optical counterpart being a
variable star.
Sirius is
another binary and the
brightest star in the
night time sky, with a
visual apparent...
- of
variable stars that are less than
about ten
million years old. This
class is
named after the prototype, T Tauri, a
young star in the
Taurus star-forming...
- The
American ****ociation of
Variable Star Observers (AAVSO) is an
international nonprofit organization.
Founded in 1911, the
organization focuses on coordinating...