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
aev [14]
3 years ago
15

Careful measurements reveal that a star maintains a steady apparent brightness at most times, except that at precise intervals o

f 73 hours the star becomes dimmer for about 2 hours. The most likely explanation is that:________.1. The star is cepheid variable.2. The star is a member of binary eclipsing star system.3. The star is peridically ejecting gas into space every 73 hours.4. The star is a white dwarf.
Social Studies
1 answer:
Veseljchak [2.6K]3 years ago
8 0

Answer:

2. The star is a member of binary eclipsing star system.

Explanation:

The question above shows an example of an eclipsing binary star. This type of star is very variable because the intensity of its brightness varies in the deccore of a few hours. This is because these stars are so close to an observer's field of view on the Earth's surface that they are easily eclipsed, and it is exactly these eclipses that cause the brightness of these stars to vary, which undergo a constant period of approximately 73 hours. intense shine, followed by constant drops in the intensity of that shine (lasts about 2 hours).

You might be interested in
Nick was admitted to a mental institution because he heard voices talking to him that no one else could hear,
Gnesinka [82]
C your answer hallucinations
7 0
3 years ago
Please help me with this
Shtirlitz [24]

Answer:

A.the disign is very human it can kill you 100%

Explanation:

GRAPE

8 0
3 years ago
Imagine that you're moving to a new home in Arizona, near the area shown in this photo. Your new area has a warm climate. It's a
arsen [322]

Answer:B desert.

Explanation: Deserts have low rain, and plants and animals have to adapt to life there.

5 0
2 years ago
What term did gloria incorrectly use to describe her new deaf acquaintances which offended them?
lukranit [14]
Hearing impaired
 The term offended his new acquaintance because deaf people do not regard themselves hearing impaired. it certainly arouse feelings of inadequacy when applied to them.

8 0
3 years ago
Wesley has learned that if he cries with his other in public, she will often get him a new toy or a piece of candy so as to quie
V125BC [204]

Answer:

Behavioral perspective

Explanation:

Behavioral perspective is a theoretical perspective that is also very important for leaning. It is about to explain the behavior in terms of response and stimulus relationships.  

<u>Some key points explain the behavioral perspective: </u>

  • The environment of a person influences the behavior of a person
  • In the behavioral perspective, the learning was described through the perspective of response and stimulus relationship
  • Learning is a process through which a person can change the behavior.  
  • Learning ca occur with the relationship of stimulus-response relationship occur very close
  • Both the animal and human being l; earn in the same way.  
  • Thus in the above statement, Wesley learns the behavior through a response stimulus relationship.
3 0
3 years ago
Other questions:
  • Did the article ii of the us constitution specifically outlined the jobs of the president, vice-president, fifteen cabinet depar
    14·1 answer
  • What effect does the song sung by the harper Demodocus have upon Odysseus? Demodocus sings again later in the book - again, with
    11·1 answer
  • Georgiana cries during the concert primarily because she remembers how important music is to her. (in ""A Wagner Matinee"") True
    15·1 answer
  • How does our constitution support our government?<br> Please help!!<br> 10 points
    5·1 answer
  • GreyWing Products Inc., a large conglomerate, took over a small startup company that had made some breakthrough innovations in t
    6·1 answer
  • What is the name of the life insurance policy that is written on the life of a minor, is owned and paid for initially by a paren
    7·1 answer
  • HELP ASAP PLEASE 20 POINTS
    7·1 answer
  • Describe two characteristics of mao’s cultural revolution
    8·1 answer
  • Test
    13·1 answer
  • An what is used to measure tempatere
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!