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

Author Question: A pulsating variable star with a period of 10 days would be a Cepheid. Indicate whether the ... (Read 43 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
A pulsating variable star with a period of 10 days would be a Cepheid.
 
  Indicate whether the statement is true or false

Question 2

The controversial book of this famous person, published in 1543 (the year of his death), suggested that Earth and other planets orbit the Sun.
 
  A) Tycho Brahe
  B) Copernicus
  C) Kepler
  D) Galileo
  E) Ptolemy



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

TRUE

Answer to Question 2

B





 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library