suemmimonjaras423 suemmimonjaras423

28-04-2020
Social Studies

contestada

When Henrietta Leavitt discovered the period-luminosity relationship, she used Cepheid variable stars that were all located in the Large Magellanic Cloud (LMC). It was (easier / more difficult ) to compare Cepheids in the LMC rather than those located in the Milky Way Galaxy because they are all ( about the same distance away / located at widely varying distances from Earth ). As a result ( differences in apparent brightness are directly related to differences in intrinsic brightness of these stars / all of these stars have the same Doppler shift / all of these stars have the same proper motion )

Respuesta :

ecadrobe ecadrobe

01-05-2020

Answer:

Easier, about the same distance away, differences in apparent brightness are directly related to differences in intrinsic brightness of these stars

Explanation:

When Henrietta Leavitt discovered the period-luminosity relationship, she used Cepheid variable stars that were all located in the Large Magellanic Cloud (LMC). It was easier to compare Cepheids in the LMC rather than those located in the Milky Way Galaxy because they are all about the same distance away. As a result differences in apparent brightness are directly related to differences in intrinsic brightness of these stars.

Answer Link

Otras preguntas

According to the Declaration of Independence, what are the three most basic rights? freedom of speech, assembly, and religion the right to vote, to bear arms, a

Which best describes the relationship between the Church and feudal states?

how can you reduce the stress of completing a project

Which best describes the Muslim presence in north Africa in the late seventh and early eighth centuries

A lasting effect of the New Deal can be seen when great numbers of young people are out of work. taxes are lowered to assist business owners. the government int

Please help me. Which statement explains how the sharecropping system kept emancipated slaves tied to the plantation land they had worked before the Civil War?

type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the square of a number increased by 5 times the num

If you broke a piece of matter into its smallest components, you would be left with ______________. A.) molecules B.) cells C.) protons D.) atoms

What was the Alien Act? It authorized the arrest and deportation of immigrants who criticized the government. It limited the federal government to powers explic

Oligodendrocytes are located in the _____. a. PNS b. CNS

RELAXING NOICE