The Semimajor Axis of Pluto's Orbit Is Almost 40 Au

question 7

Multiple Choice

The semimajor axis of Pluto's orbit is almost 40 au. From its orbit around Earth, the Hipparcos satellite measured stellar parallaxes to an accuracy of about 0.01 arcsecond. Suppose astronomers use this technique to measure parallax from Pluto's orbit (over the course of half a Pluto "year") . What is the maximum distance they could measure?

• A) 4 pc
• B) 100 pc
• C) 4000 pc
• D) 8000 pc

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Definitions:

Preterm Births

Births that occur before the 37th week of pregnancy, often associated with increased risks for health problems in infants.

Genetic Abnormalities

Conditions caused by anomalies in chromosomes or genes, leading to various disorders or syndromes.

Mother

A female parent or guardian who provides care, support, and nurturance to her offspring.

Monozygotic Twins

Twins that develop from a single fertilized egg and are genetically identical.