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Students in an eighth-grade science class are classifying photos of different stars when they come across a picture of the star called Sirius. The students already learned that Sirius is a very bright
star. Which of the following is an additional physical property that could be used to classify Sirius?
distance from Earth
rotational speed
temperature or shape

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Answer:

The correct answer is A) Distance from Earth

Explanation:

Astronomers and mathematicians have estimated that the distance to Sirius is about 0.437 light-years or 27664 times the distance between the Sun and Earth. A light-year is about six trillion miles.

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