Ask Question
Social StudiesSocial Studies
27 March, 20:31

An astronomer observes a nearby Cepheid at a distance of 1000 light-years and a Cepheid in M31. The two Cepheids have the same pulsation period. The nearby Cepheid appears 4 million times brighter than the Cepheid in M31. What is the distance of the Cepheid in M31

+1
Answers (1)
  1. 27 March, 20:34
    0
    The correct answer is 2 million light-years

    Explanation: Cataloged as M31 in the Messier catalog and NGC 224 in the New General Catalog (from the New General Catalog), the Andromeda galaxy is located in the constellation with the same name and, as already mentioned, at a distance of approximately 2.5 million years - light from Earth.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “An astronomer observes a nearby Cepheid at a distance of 1000 light-years and a Cepheid in M31. The two Cepheids have the same pulsation ...” in 📗 Social Studies if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Why do marketing researchers use objective, rather than subjective, measures of social class?
Answers (1)
In Shakespeare playa lower class characters often speak in
Answers (1)
Molly's mommy is mad, and molly doesn't believe it when mommy says, "i'm angry, but i still love you!" molly thinks that mommy can't be mad and still love her at the same time.
Answers (1)
Why have the countries of the region had difficulty establishing democratic governments in recent years? Choose all answers that are correct. Question 1 options: Communists have overtaken the countries of the Caucasus region.
Answers (1)
How did Shays' Rebellion reveal the need for a revision of the Articles of Confederation? A) Shays' Rebellion exposed the weakness of the central government as written in the Articles of Confederation.
Answers (2)
New Questions in Social Studies
Which best describes a opportunity cost
Answers (2)
In what part of atoms are the protons located ... ? A. in the nucleus B. in the neutrons C. in the electron
Answers (1)
What is the word for an argument that is inductively strong and has all true premises?
Answers (1)
Aaron failed to realize that his co-workers interpreted many of his e-mail messages as criticisms when he simply intended them to convey playful kidding. Aaron's failure best illustrates what Piaget called A) the facial feedback effect.
Answers (1)
Telling a lie to someone who doesn't deserve the truth is ethical formalism?
Answers (1)
Home » Social Studies » An astronomer observes a nearby Cepheid at a distance of 1000 light-years and a Cepheid in M31. The two Cepheids have the same pulsation period. The nearby Cepheid appears 4 million times brighter than the Cepheid in M31.
Sign Up Forgot Password?