Because of Librations Astronomers Are Able to See Around the Limb

question 9

Multiple Choice

Because of librations astronomers are able to see around the limb of the Moon and are able to view 59% of its surface from Earth. What is one cause of this?

• A) The Moon is not perfectly round.
• B) Earth is not perfectly round.
• C) The Moon does not rotate on its axis at a steady rate.
• D) The Moon has an elliptical orbit.

---

Definitions:

Internet Sampling

A method of selecting participants for research studies through online platforms or digital methods.

Internet Sampling Frame

A list or database used for identifying and selecting participants for a survey or study conducted via the Internet.

Inaccurate Information

Information that is not correct, precise, or true.

Valid Measures

Metrics or standards used in research that are accepted as accurate and reliable for assessing or quantifying a specific variable or outcome.