1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tom [10]
4 years ago
11

When Henrietta Leavitt discovered the period-luminosity relationship, she used Cepheid variable stars that were all located in t

he 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 )
Social Studies
1 answer:
lisabon 2012 [21]4 years ago
5 0

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.

You might be interested in
Which of the following accurately describes the relationship between China and Japan during the Tang and Song dynasties?
lubasha [3.4K]
Japan adopted Chinese religious traditions, especially Buddhism and this accurately describes the relationship between China and Japan during the Tang and Song dynasties. The correct option among all the options given in the question is option "a". Chinese culture and traditions did have a great impact on the countries of Asia.
5 0
4 years ago
What types of exploration have people done in the Southern Atlantic states?
denis23 [38]

Answer:

The Southern-Atlantic states are one of the nine Census Bureau Divisions within the United States. The states that comprise this division are Delaware, Maryland, Virginia, West Virginia, North Carolina, South Carolina, Georgia, Florida, and the District of Columbia. Historically, the first state to be explored was Virginia, which was established at Jamestown in 1607. The first record of exploration in Virginia was performed by DeSoto in his trip from 1539 to 1543. A map of the record of that exploration is shown in an attachment.

Explanation:

6 0
3 years ago
According to the Berlin Aging Study, the activity that took up the most minutes of the day for older men and women was: televisi
raketka [301]

Answer:

Instrumental Activities of Daily Living.

Explanation:

Instrumental Activities of Daily Living, often written as IADLs is a term describes the activities of self-care, and it involves performing slightly complex activities than the fundamental but basic activities, unlike ADL (Activities of Daily Living)

Some of the activities performed in IADLs are:

1. Managing telephone device: by answering incoming calls and taking outgoing calls.

2. By preparing meals

3. By going out to buy goods from groceries.

4. Moving around the community, like healthy walk.

According to Berlin Aging study, which studied the activity that took up the most minutes of the day for older men and women, concluded that Instrument Activities of Daily Living takes up the most times of old people.Instrumental Activities of Daily Living.

5 0
3 years ago
Wheel is a very important invention of man
frozen [14]

Answer:

THE WHEEL is often described as the most important invention of all time – it had a fundamental impact on transport and later on agriculture and industry. The wheel-and-axle combination was invented around 4500 BC and was probably first used for a potter's wheel.

7 0
2 years ago
"Timmy’s geography teacher gives the class a pop quiz in which he asks the class to draw a map of North America, which they lear
malfutka [58]

Answer:

He will get some of the details correct, but his map will contain many errors

Explanation:

Timmy would get some of the details correct, but his map will contain many errors.

8 0
3 years ago
Other questions:
  • In order to calculate marginal cost, producers must compare the difference in the cost of producing one unit to the cost of
    16·2 answers
  • Describe the 4 defining characteristics of a state
    5·1 answer
  • Research indicates that middle school students who attend ethnically diverse schools feel safer and less lonely than students wh
    13·1 answer
  • Chinese Emperor Qianlong response to outside influences.
    12·1 answer
  • Hala ertalaviser
    6·1 answer
  • In what way did the marbury decison enhance the system of checks and balances provided for the constution
    14·1 answer
  • Can someone help me...
    10·1 answer
  • To build their houses, the Pilgrims used raw materials gathered from which nearby environments?
    13·1 answer
  • Helloplease help asap ill give brainliest
    11·2 answers
  • All of the following are part of human systems except. _______
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!