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A variable star is a star whose brightness as seen from Earth that fluctuates.
What else can I help you with?
What has the author Leon Campbell written?
Leon Campbell has written: 'The story of variable stars' -- subject(s): Stars, Variable, Variable stars
What has the author W Strohmeier written?
W. Strohmeier has written: 'Variable stars' -- subject(s): Variable stars
What is an example of a continuous variable?
stars shining stars shining
What type of properties do Variable stars have?
Some aspect is variable, usually their luminosity.
Which term describe a fraction that has a variable or variable expression in its numerator its denominator or both?
It is a variable fraction.
Describe how you can tell by looking at the graph of a function with variable is the input variable and which is the output variable?
You cannot.
Is stars shining an example of s continuous variable?
No, it is a continuous process but not a continuous variable. The magnitude of star-shine, across all stars is a continuous variable. The magnitude of a star's shine over time is a continuous variable.
Which variable stars have pulsation periods between 1.5 hours and 1.2 days?
RR Lyrae stars. (Sometimes these stars are classed as a type of "Cepheid variable", but they are usually considered as a separate star type.)
What do variable stars help astronomers measure?
Distance.
Is movie reviews a discrete variable?
I would have to say so, since there are fixed units assigned (stars and half stars) and a limited number of responses possible. If you could give any amount of stars ( like 2.923 stars) then it would not be a discrete variable.
How do you describe a variable star?
A variable star is a star whose brightness as seen from Earth that fluctuates.
What has the author Sidney Dean Townley written?
Sidney Dean Townley has written: 'Orbit of Psyche' 'Harvard catalogue of long period variable stars' -- subject(s): Variable stars
