The Angular Separation of Two Stars Is 0

question 107

Multiple Choice

The angular separation of two stars is 0.1 arcseconds and you photograph them with a telescope that has an angular resolution of 1 arcsecond. What will you see?

• A) The photo will seem to show only one star rather than two.
• B) The two stars will appear to be touching, looking rather like a small dumbbell.
• C) The stars will not show up at all in your photograph.
• D) You will see two distinct stars in your photograph.

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Definitions:

Sum Squares Treatments (SST)

The total variation attributed to different treatments in an analysis of variance (ANOVA) context, measuring the difference between treatment means and the overall mean.

Mean Square Treatments

In the context of ANOVA, a measure of variance among the means of different groups, calculated by dividing the sum of squares due to treatment by the degrees of freedom for treatment.

F-test

A statistical test used to compare two variances and ascertain if they come from populations with equal variances.

Total Variation

Refers to the overall difference between individual values and the mean within a dataset, capturing the spread.