Author Question: The ecliptic can be defined as a. the plane that is perpendicular to the Earth's axis of ... (Read 106 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
The ecliptic can be defined as
 
  a. the plane that is perpendicular to the Earth's axis of rotation.
  b. the projection of the Earth's equator onto the sky.
  c. the path traced out by the Moon in our sky in one month against the background stars.
  d. the path traced out by the Sun in our sky over one year against the background stars.

Question 2

The Moon's angular diameter in our sky as observed from Earth is measured to be 0.5. From this, we can find the diameter of the Moon in kilometers if we also know the Moon's
 
  a. distance from the Earth.
  b. element composition
  c. distance from the Sun.



jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library