Newton's Contribution to Astronomy Was to Prove That

question 39

Multiple Choice

Newton's contribution to astronomy was to prove that

• A)the planets obey the same laws as do objects on earth.
• B)accurate observation is the foundation of sound theory.
• C)the earth is at the center of the solar system.
• D)nothing can ever really be proven.
• E)the moon orbits the sun.

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Definitions:

AFP

Alpha-fetoprotein, a protein that is produced by the liver and yolk sac of a fetus, often measured during pregnancy.

Neural Tube Defect

A birth defect resulting from incomplete development of the brain, spinal cord, or their coverings.

FAS

Fetal Alcohol Syndrome, a condition in a child that results from alcohol exposure during the mother's pregnancy, causing brain damage and growth problems.

Human Chorionic Gonadotropin

A hormone produced by the placenta after implantation, often measured as a marker in pregnancy tests.