What Is One Way That Astronomers Have Actually Gotten an Idea

question 28

Multiple Choice

What is one way that astronomers have actually gotten an idea of the age of the surfaces of terrestrial planets other than the Earth?

• A) looking at the colors different surfaces show
• B) bringing back samples and run radioactive dating tests
• C) counting craters
• D) measuring the thickness of the atmosphere above each surface
• E) looking in the instruction manual that comes with each planet

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Definitions:

Babbling

The child’s first vocalizations that have the sounds of speech.

Consonants

Speech sounds produced by obstructing airflow in the vocal tract, playing a critical role in the phonetic and phonological aspects of language.

Visual Recognition

Visual recognition is the process by which the brain identifies and interprets what the eyes see, such as recognizing faces, objects, and symbols.

Stable Trait

A personality characteristic that remains consistent over time and across situations.