The Asteroid Belt Has a Gap Where Few Objects Are

question 74

Multiple Choice

The asteroid belt has a gap where few objects are found because of repeated gravitational disturbances from Jupiter. At what distance from the Sun will this gap be found if objects in the gap have a period one-third that of Jupiter? (Hint: Jupiter's orbital period is about 12 years.)

• A) 8 au
• B) 3.5 au
• C) 2.5 au
• D) 1.4 au

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Definitions:

Barr Body

A condensed and inactivated X chromosome appearing as a distinctive dense spot in the interphase nucleus of certain cells of female mammals.

Mammalian Female Cell

A cell within a female mammal, which may be specialized, such as an ovum, or somatic, like those forming tissues and organs.

Inactivated X Chromosome

Also known as the Barr Body; a dense body formed from a deactivated X chromosome found in the nuclei of female cells, ensuring dosage compensation between males and females.

Heterozygous

Having two different alleles of a gene, one inherited from each parent, resulting in genetic variation.