This topic contains a solution. Click here to go to the answer

Author Question: Perhaps the greatest of the Greek astronomers, ________ compiled the first catalog of stars, ... (Read 74 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
Perhaps the greatest of the Greek astronomers, ________ compiled the first catalog of stars, accurately measured their positions, and defined the basic system of stellar brightnesses.
 
  A) Erastothenes
  B) Aristotle
  C) Ptolemy
  D) Hipparchus
  E) Aristarchus

Question 2

Which of these was NOT a part of the original Copernican model?
 
  A) The Sun lies at the center of the solar system.
  B) Mercury must move faster in its orbit than any other planet.
  C) The Earth rotates on its axis once a day.
  D) Venus can go all the way around the Sun.
  E) Mercury speeds up at perihelion, and slows down at aphelion.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

D

Answer to Question 2

E





 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library