Exploring Dark Matter: 3 Observations & Possible Explanations

In summary, the conversation discusses the concept of Dark Matter in the universe and why it is believed to exist. Three independent situations are mentioned that require Dark Matter to understand observations, and it is mentioned that Dark Matter is not believed to be baryonic. Instead, it is believed to be something else, which is not specified. It is also suggested that students should attempt to answer the question themselves before seeking assistance.
  • #1
bolahab
7
0
Why do we think there is a significant amount of Dark Matter in the
universe?
a) Descibe at least 3 independent situations which require Dark Matter to understand observations.
b) Why don’t we think that Dark Matter is baryonic?
c) What do we think is might be?
 
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  • #2
We respectfully request students to apply some effort and attempt an answer first, and show work before asking for assistance.
 
  • #3
Yeah for this question i did a lot of work on it, but I am trying to see what i got is right, and if does match what i get from you guys
 
  • #4
I think he wants you to show us your answers first, and we can tell you were you went wrong, otherwise, you are getting the smarter kid to do your homework.
 

FAQ: Exploring Dark Matter: 3 Observations & Possible Explanations

What is dark matter?

Dark matter is a hypothetical form of matter that is thought to make up approximately 85% of the total matter in the universe. It does not emit or absorb any electromagnetic radiation, making it invisible to traditional forms of detection.

How do scientists study dark matter?

Scientists study dark matter through its gravitational effects on visible matter, such as stars and galaxies. They also use indirect methods, such as measuring the cosmic microwave background radiation and studying the distribution of dark matter in galaxy clusters.

What are the three observations used to study dark matter?

The three main observations used to study dark matter are galaxy rotation curves, gravitational lensing, and the cosmic microwave background radiation. These observations provide evidence for the existence of dark matter and help scientists understand its properties.

What are some possible explanations for dark matter?

Some possible explanations for dark matter include weakly interacting massive particles (WIMPs), axions, and primordial black holes. However, the exact nature of dark matter is still a mystery and further research is needed to fully understand its composition.

Why is the study of dark matter important?

The study of dark matter is important because it helps us better understand the structure and evolution of the universe. It also has implications for our understanding of gravity and could potentially lead to new discoveries in particle physics. Additionally, understanding dark matter may also have practical applications, such as improving our understanding of galaxy formation and aiding in the search for extraterrestrial life.

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