Hot Jupiters Were a Surprise to Astronomers

question 19

Multiple Choice

Hot Jupiters were a surprise to astronomers. What is the current explanation for their existence?

• A)Jupiters actually can form close to the host star, since they do not require as much hydrogen compounds and ice as originally thought.
• B)The temperature of the hot Jupiters is highly uncertain, so they might not be as hot as the astronomers say.
• C)Jupiters are supposed to form far away from their host star, and then they migrate closer through gravitational interactions with the protoplanetary disk.
• D)Jupiters form as a companion to the host star, but fail to become actual stars themselves because they are not massive enough.

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Evaluate

To determine or calculate the value of something.

Exponentiation

The mathematical operation involving the raising of one number to the power of another.

Division

A mathematics operation where a number is divided into parts or segments, represented by the division sign (/ or ÷).

Division

A fundamental mathematical operation that represents the process of dividing one number by another.